28783596 has 12 divisors (see below), whose sum is σ = 67161752. Its totient is φ = 9594528.

The previous prime is 28783561. The next prime is 28783597. The reversal of 28783596 is 69538782.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (28783597) 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, 1199305 + ... + 1199328.

Almost surely, 2^28783596 is an apocalyptic number.

It is an amenable number.

28783596 is an abundant number, since it is smaller than the sum of its proper divisors (38378156).

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

28783596 is a wasteful number, since it uses less digits than its factorization.

28783596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398640 (or 2398638 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 28783596 is about 5365.0345758439. The cubic root of 28783596 is about 306.4655649605.

The spelling of 28783596 in words is "twenty-eight million, seven hundred eighty-three thousand, five hundred ninety-six".