28634914 has 48 divisors (see below), whose sum is σ = 55256256. Its totient is φ = 11004000.

The previous prime is 28634909. The next prime is 28634923. The reversal of 28634914 is 41943682.

Its product of digits (41472) is a multiple of the sum of its prime divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108747 + ... + 109009.

It is an arithmetic number, because the mean of its divisors is an integer number (1151172).

Almost surely, 2^28634914 is an apocalyptic number.

28634914 is a deficient number, since it is larger than the sum of its proper divisors (26621342).

28634914 is a wasteful number, since it uses less digits than its factorization.

28634914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 384 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 28634914 is about 5351.1600611456. The cubic root of 28634914 is about 305.9369699447.

It can be divided in two parts, 2863 and 4914, that added together give a palindrome (7777).

The spelling of 28634914 in words is "twenty-eight million, six hundred thirty-four thousand, nine hundred fourteen".