28813596 has 24 divisors (see below), whose sum is σ = 76836480. Its totient is φ = 8232432.

The previous prime is 28813579. The next prime is 28813597. The reversal of 28813596 is 69531882.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28813597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171426 + ... + 171593.

It is an arithmetic number, because the mean of its divisors is an integer number (3201520).

Almost surely, 2^28813596 is an apocalyptic number.

It is an amenable number.

28813596 is an abundant number, since it is smaller than the sum of its proper divisors (48022884).

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

28813596 is a wasteful number, since it uses less digits than its factorization.

28813596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343033 (or 343031 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 28813596 is about 5367.8297290432. The cubic root of 28813596 is about 306.5720002906.

The spelling of 28813596 in words is "twenty-eight million, eight hundred thirteen thousand, five hundred ninety-six".