28474650 has 36 divisors (see below), whose sum is σ = 76503102. Its totient is φ = 7593120.

The previous prime is 28474637. The next prime is 28474651. The reversal of 28474650 is 5647482.

It can be written as a sum of positive squares in 3 ways, for example, as 12047841 + 16426809 = 3471^2 + 4053^2 .

It is not an unprimeable number, because it can be changed into a prime (28474651) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31189 + ... + 32088.

Almost surely, 2^28474650 is an apocalyptic number.

28474650 is an abundant number, since it is smaller than the sum of its proper divisors (48028452).

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

28474650 is a wasteful number, since it uses less digits than its factorization.

28474650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63295 (or 63287 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 28474650 is about 5336.1643527912. The cubic root of 28474650 is about 305.3651454028.

The spelling of 28474650 in words is "twenty-eight million, four hundred seventy-four thousand, six hundred fifty".