28874650 has 24 divisors (see below), whose sum is σ = 61380000. Its totient is φ = 9899760.

The previous prime is 28874647. The next prime is 28874663. The reversal of 28874650 is 5647882.

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, 40900 + ... + 41599.

It is an arithmetic number, because the mean of its divisors is an integer number (2557500).

Almost surely, 2^28874650 is an apocalyptic number.

28874650 is an abundant number, since it is smaller than the sum of its proper divisors (32505350).

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

28874650 is a wasteful number, since it uses less digits than its factorization.

28874650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82518 (or 82513 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 28874650 is about 5373.5137480051. The cubic root of 28874650 is about 306.7883824241.

The spelling of 28874650 in words is "twenty-eight million, eight hundred seventy-four thousand, six hundred fifty".