28488674 has 16 divisors (see below), whose sum is σ = 45543168. Its totient is φ = 13334112.

The previous prime is 28488653. The next prime is 28488703. The reversal of 28488674 is 47688482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (2846448).

Almost surely, 2^28488674 is an apocalyptic number.

28488674 is a deficient number, since it is larger than the sum of its proper divisors (17054494).

28488674 is a wasteful number, since it uses less digits than its factorization.

28488674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249.

The product of its digits is 688128, while the sum is 47.

The square root of 28488674 is about 5337.4782435154. The cubic root of 28488674 is about 305.4152687927.

The spelling of 28488674 in words is "twenty-eight million, four hundred eighty-eight thousand, six hundred seventy-four".