28258896 has 40 divisors (see below), whose sum is σ = 77298624. Its totient is φ = 8865280.

The previous prime is 28258883. The next prime is 28258903. The reversal of 28258896 is 69885282.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16500 + ... + 18131.

Almost surely, 2^28258896 is an apocalyptic number.

It is an amenable number.

28258896 is an abundant number, since it is smaller than the sum of its proper divisors (49039728).

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

28258896 is a wasteful number, since it uses less digits than its factorization.

28258896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34659 (or 34653 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 28258896 is about 5315.9097057794. The cubic root of 28258896 is about 304.5919330050.

The spelling of 28258896 in words is "twenty-eight million, two hundred fifty-eight thousand, eight hundred ninety-six".