28156796 has 12 divisors (see below), whose sum is σ = 50973720. Its totient is φ = 13592880.

The previous prime is 28156781. The next prime is 28156823. The reversal of 28156796 is 69765182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121250 + ... + 121481.

It is an arithmetic number, because the mean of its divisors is an integer number (4247810).

Almost surely, 2^28156796 is an apocalyptic number.

It is an amenable number.

28156796 is a deficient number, since it is larger than the sum of its proper divisors (22816924).

28156796 is a wasteful number, since it uses less digits than its factorization.

28156796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242764 (or 242762 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 28156796 is about 5306.2977677473. The cubic root of 28156796 is about 304.2246579198.

The spelling of 28156796 in words is "twenty-eight million, one hundred fifty-six thousand, seven hundred ninety-six".