28258696 has 16 divisors (see below), whose sum is σ = 53208540. Its totient is φ = 14069760.

The previous prime is 28258693. The next prime is 28258723. The reversal of 28258696 is 69685282.

It can be written as a sum of positive squares in 2 ways, for example, as 21958596 + 6300100 = 4686^2 + 2510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28258691) 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, 5401 + ... + 9256.

Almost surely, 2^28258696 is an apocalyptic number.

It is an amenable number.

28258696 is a deficient number, since it is larger than the sum of its proper divisors (24949844).

28258696 is a wasteful number, since it uses less digits than its factorization.

28258696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904 (or 14900 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 28258696 is about 5315.8908942904. The cubic root of 28258696 is about 304.5912144285.

The spelling of 28258696 in words is "twenty-eight million, two hundred fifty-eight thousand, six hundred ninety-six".