28634828 has 6 divisors (see below), whose sum is σ = 50110956. Its totient is φ = 14317412.

The previous prime is 28634821. The next prime is 28634849. The reversal of 28634828 is 82843682.

It is not an unprimeable number, because it can be changed into a prime (28634821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3579350 + ... + 3579357.

It is an arithmetic number, because the mean of its divisors is an integer number (8351826).

Almost surely, 2^28634828 is an apocalyptic number.

It is an amenable number.

28634828 is a deficient number, since it is larger than the sum of its proper divisors (21476128).

28634828 is a wasteful number, since it uses less digits than its factorization.

28634828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158711 (or 7158709 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 28634828 is about 5351.1520254988. The cubic root of 28634828 is about 305.9366636682.

The spelling of 28634828 in words is "twenty-eight million, six hundred thirty-four thousand, eight hundred twenty-eight".