28380596 has 12 divisors (see below), whose sum is σ = 50158500. Its totient is φ = 14049600.

The previous prime is 28380581. The next prime is 28380607. The reversal of 28380596 is 69508382.

It can be written as a sum of positive squares in 2 ways, for example, as 14167696 + 14212900 = 3764^2 + 3770^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34721 + ... + 35528.

It is an arithmetic number, because the mean of its divisors is an integer number (4179875).

Almost surely, 2^28380596 is an apocalyptic number.

It is an amenable number.

28380596 is a deficient number, since it is larger than the sum of its proper divisors (21777904).

28380596 is a wasteful number, since it uses less digits than its factorization.

28380596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70354 (or 70352 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 28380596 is about 5327.3441788569. The cubic root of 28380596 is about 305.0285595401.

The spelling of 28380596 in words is "twenty-eight million, three hundred eighty thousand, five hundred ninety-six".