28609596 has 18 divisors (see below), whose sum is σ = 72318792. Its totient is φ = 9536520.

The previous prime is 28609583. The next prime is 28609601. The reversal of 28609596 is 69590682.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397320 + ... + 397391.

Almost surely, 2^28609596 is an apocalyptic number.

It is an amenable number.

28609596 is an abundant number, since it is smaller than the sum of its proper divisors (43709196).

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

28609596 is a wasteful number, since it uses less digits than its factorization.

28609596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794721 (or 794716 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 28609596 is about 5348.7938827366. The cubic root of 28609596 is about 305.8467770639.

The spelling of 28609596 in words is "twenty-eight million, six hundred nine thousand, five hundred ninety-six".