28485718 has 16 divisors (see below), whose sum is σ = 43368336. Its totient is φ = 14031360.

The previous prime is 28485701. The next prime is 28485757. The reversal of 28485718 is 81758482.

It is a super-2 number, since 2×28485718² = 1622872259951048, which contains 22 as substring.

It is a congruent number.

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, 54205 + ... + 54727.

It is an arithmetic number, because the mean of its divisors is an integer number (2710521).

Almost surely, 2^28485718 is an apocalyptic number.

28485718 is a deficient number, since it is larger than the sum of its proper divisors (14882618).

28485718 is a wasteful number, since it uses less digits than its factorization.

28485718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 143360, while the sum is 43.

The square root of 28485718 is about 5337.2013265381. The cubic root of 28485718 is about 305.4047050769.

The spelling of 28485718 in words is "twenty-eight million, four hundred eighty-five thousand, seven hundred eighteen".