28813048 has 16 divisors (see below), whose sum is σ = 58935960. Its totient is φ = 13096800.

The previous prime is 28813003. The next prime is 28813049. The reversal of 28813048 is 84031882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28813049) 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, 163623 + ... + 163798.

Almost surely, 2^28813048 is an apocalyptic number.

It is an amenable number.

28813048 is an abundant number, since it is smaller than the sum of its proper divisors (30122912).

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

28813048 is a wasteful number, since it uses less digits than its factorization.

28813048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327438 (or 327434 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 28813048 is about 5367.7786839623. The cubic root of 28813048 is about 306.5700567345.

It can be divided in two parts, 2881 and 3048, that added together give a square (5929 = 77²).

The spelling of 28813048 in words is "twenty-eight million, eight hundred thirteen thousand, forty-eight".