28458874 has 8 divisors (see below), whose sum is σ = 43202880. Its totient is φ = 14057916.

The previous prime is 28458863. The next prime is 28458877. The reversal of 28458874 is 47885482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28458877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85554 + ... + 85885.

It is an arithmetic number, because the mean of its divisors is an integer number (5400360).

Almost surely, 2^28458874 is an apocalyptic number.

28458874 is a deficient number, since it is larger than the sum of its proper divisors (14744006).

28458874 is a wasteful number, since it uses less digits than its factorization.

28458874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171524.

The product of its digits is 573440, while the sum is 46.

The square root of 28458874 is about 5334.6859326487. The cubic root of 28458874 is about 305.3087404896.

The spelling of 28458874 in words is "twenty-eight million, four hundred fifty-eight thousand, eight hundred seventy-four".