39155028 has 48 divisors (see below), whose sum is σ = 102373824. Its totient is φ = 11543040.

The previous prime is 39155027. The next prime is 39155047. The reversal of 39155028 is 82055193.

39155028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 39155028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39155021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876 + ... + 8892.

It is an arithmetic number, because the mean of its divisors is an integer number (2132788).

Almost surely, 2^39155028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39155028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51186912).

39155028 is an abundant number, since it is smaller than the sum of its proper divisors (63218796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39155028 is a wasteful number, since it uses less digits than its factorization.

39155028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8072 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 39155028 is about 6257.3978617313. The cubic root of 39155028 is about 339.5698944318.

The spelling of 39155028 in words is "thirty-nine million, one hundred fifty-five thousand, twenty-eight".