156396828 has 72 divisors (see below), whose sum is σ = 446880000. Its totient is φ = 42329952.

The previous prime is 156396811. The next prime is 156396833. The reversal of 156396828 is 828693651.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4173 + ... + 18171.

Almost surely, 2^156396828 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 156396828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223440000).

156396828 is an abundant number, since it is smaller than the sum of its proper divisors (290483172).

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

156396828 is a wasteful number, since it uses less digits than its factorization.

156396828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14039 (or 14030 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 156396828 is about 12505.8717409063. The cubic root of 156396828 is about 538.7773297362. Note that the first 3 decimals are identical.

The spelling of 156396828 in words is "one hundred fifty-six million, three hundred ninety-six thousand, eight hundred twenty-eight".