28433008 has 40 divisors (see below), whose sum is σ = 57183840. Its totient is φ = 13685760.

The previous prime is 28432997. The next prime is 28433011. The reversal of 28433008 is 80033482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58141 + ... + 58627.

It is an arithmetic number, because the mean of its divisors is an integer number (1429596).

Almost surely, 2^28433008 is an apocalyptic number.

It is an amenable number.

28433008 is an abundant number, since it is smaller than the sum of its proper divisors (28750832).

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

28433008 is a wasteful number, since it uses less digits than its factorization.

28433008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 28433008 is about 5332.2610588755. The cubic root of 28433008 is about 305.2162150483.

The spelling of 28433008 in words is "twenty-eight million, four hundred thirty-three thousand, eight".