28823696 has 20 divisors (see below), whose sum is σ = 60923184. Its totient is φ = 13101600.

The previous prime is 28823693. The next prime is 28823713. The reversal of 28823696 is 69632882.

It is a super-2 number, since 2×28823696² = 1661610902200832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (28823693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81710 + ... + 82061.

Almost surely, 2^28823696 is an apocalyptic number.

It is an amenable number.

28823696 is an abundant number, since it is smaller than the sum of its proper divisors (32099488).

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

28823696 is a wasteful number, since it uses less digits than its factorization.

28823696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163790 (or 163784 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 28823696 is about 5368.7704365152. The cubic root of 28823696 is about 306.6078168947.

The spelling of 28823696 in words is "twenty-eight million, eight hundred twenty-three thousand, six hundred ninety-six".