28356316 has 12 divisors (see below), whose sum is σ = 51334920. Its totient is φ = 13689200.

The previous prime is 28356283. The next prime is 28356329. The reversal of 28356316 is 61365382.

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, 122110 + ... + 122341.

It is an arithmetic number, because the mean of its divisors is an integer number (4277910).

Almost surely, 2^28356316 is an apocalyptic number.

It is an amenable number.

28356316 is a deficient number, since it is larger than the sum of its proper divisors (22978604).

28356316 is a wasteful number, since it uses less digits than its factorization.

28356316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244484 (or 244482 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 28356316 is about 5325.0648822338. The cubic root of 28356316 is about 304.9415493115.

The spelling of 28356316 in words is "twenty-eight million, three hundred fifty-six thousand, three hundred sixteen".