6155028 has 90 divisors (see below), whose sum is σ = 17798858. Its totient is φ = 1853280.

The previous prime is 6155021. The next prime is 6155029. The reversal of 6155028 is 8205516.

It can be written as a sum of positive squares in only one way, i.e., 4743684 + 1411344 = 2178^2 + 1188^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6154992 and 6155010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155021) 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 29 ways as a sum of consecutive naturals, for example, 39126 + ... + 39282.

Almost surely, 2^6155028 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 6155028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8899429).

6155028 is an abundant number, since it is smaller than the sum of its proper divisors (11643830).

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

6155028 is a wasteful number, since it uses less digits than its factorization.

6155028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 6155028 is about 2480.9328890561. The cubic root of 6155028 is about 183.2637958503.

The spelling of 6155028 in words is "six million, one hundred fifty-five thousand, twenty-eight".