28590384 has 40 divisors (see below), whose sum is σ = 74217472. Its totient is φ = 9483840.

The previous prime is 28590361. The next prime is 28590389. The reversal of 28590384 is 48309582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28590389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9369 + ... + 12039.

Almost surely, 2^28590384 is an apocalyptic number.

28590384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28590384 is an abundant number, since it is smaller than the sum of its proper divisors (45627088).

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

28590384 is a wasteful number, since it uses less digits than its factorization.

28590384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28590384 is about 5346.9976622400. The cubic root of 28590384 is about 305.7783006915.

The spelling of 28590384 in words is "twenty-eight million, five hundred ninety thousand, three hundred eighty-four".