28965370 has 24 divisors (see below), whose sum is σ = 60650964. Its totient is φ = 9930816.

The previous prime is 28965361. The next prime is 28965389. The reversal of 28965370 is 7356982.

It can be written as a sum of positive squares in 2 ways, for example, as 26615281 + 2350089 = 5159^2 + 1533^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29067 + ... + 30046.

Almost surely, 2^28965370 is an apocalyptic number.

28965370 is an abundant number, since it is smaller than the sum of its proper divisors (31685594).

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

28965370 is a wasteful number, since it uses less digits than its factorization.

28965370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59134 (or 59127 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 28965370 is about 5381.9485318981. The cubic root of 28965370 is about 307.1093415230.

The spelling of 28965370 in words is "twenty-eight million, nine hundred sixty-five thousand, three hundred seventy".