28914208 has 12 divisors (see below), whose sum is σ = 56924910. Its totient is φ = 14457088.

The previous prime is 28914199. The next prime is 28914233. The reversal of 28914208 is 80241982.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 9659664 = 4388^2 + 3108^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451753 + ... + 451816.

Almost surely, 2^28914208 is an apocalyptic number.

It is an amenable number.

28914208 is a deficient number, since it is larger than the sum of its proper divisors (28010702).

28914208 is an equidigital number, since it uses as much as digits as its factorization.

28914208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903579 (or 903571 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 28914208 is about 5377.1933199393. The cubic root of 28914208 is about 306.9284175645.

The spelling of 28914208 in words is "twenty-eight million, nine hundred fourteen thousand, two hundred eight".