28935156 has 96 divisors (see below), whose sum is σ = 76083840. Its totient is φ = 8515584.

The previous prime is 28935131. The next prime is 28935161. The reversal of 28935156 is 65153982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396336 + ... + 396408.

It is an arithmetic number, because the mean of its divisors is an integer number (792540).

Almost surely, 2^28935156 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 28935156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38041920).

28935156 is an abundant number, since it is smaller than the sum of its proper divisors (47148684).

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

28935156 is a wasteful number, since it uses less digits than its factorization.

28935156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 191 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 28935156 is about 5379.1408235888. The cubic root of 28935156 is about 307.0025216683.

The spelling of 28935156 in words is "twenty-eight million, nine hundred thirty-five thousand, one hundred fifty-six".