39390552 has 48 divisors (see below), whose sum is σ = 107700840. Its totient is φ = 13004928.

The previous prime is 39390539. The next prime is 39390563. The reversal of 39390552 is 25509393.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5148 + ... + 10260.

Almost surely, 2^39390552 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 39390552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53850420).

39390552 is an abundant number, since it is smaller than the sum of its proper divisors (68310288).

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

39390552 is a wasteful number, since it uses less digits than its factorization.

39390552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 39390552 is about 6276.1892896884. The cubic root of 39390552 is about 340.2493902684.

The spelling of 39390552 in words is "thirty-nine million, three hundred ninety thousand, five hundred fifty-two".