28818204 has 12 divisors (see below), whose sum is σ = 67242504. Its totient is φ = 9606064.

The previous prime is 28818197. The next prime is 28818211. The reversal of 28818204 is 40281882.

It is an interprime number because it is at equal distance from previous prime (28818197) and next prime (28818211).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200747 + ... + 1200770.

It is an arithmetic number, because the mean of its divisors is an integer number (5603542).

Almost surely, 2^28818204 is an apocalyptic number.

It is an amenable number.

28818204 is an abundant number, since it is smaller than the sum of its proper divisors (38424300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28818204 is a wasteful number, since it uses less digits than its factorization.

28818204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401524 (or 2401522 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 28818204 is about 5368.2589356327. The cubic root of 28818204 is about 306.5883422110.

The spelling of 28818204 in words is "twenty-eight million, eight hundred eighteen thousand, two hundred four".