28258674 has 32 divisors (see below), whose sum is σ = 59336064. Its totient is φ = 8954880.

The previous prime is 28258669. The next prime is 28258691. The reversal of 28258674 is 47685282.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26104 + ... + 27164.

It is an arithmetic number, because the mean of its divisors is an integer number (1854252).

Almost surely, 2^28258674 is an apocalyptic number.

28258674 is an abundant number, since it is smaller than the sum of its proper divisors (31077390).

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

28258674 is a wasteful number, since it uses less digits than its factorization.

28258674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its digits is 215040, while the sum is 42.

The square root of 28258674 is about 5315.8888250226. Note that the first 4 decimals coincide. The cubic root of 28258674 is about 304.5911353849.

The spelling of 28258674 in words is "twenty-eight million, two hundred fifty-eight thousand, six hundred seventy-four".