28583488 has 28 divisors (see below), whose sum is σ = 58554112. Its totient is φ = 13829760.

The previous prime is 28583479. The next prime is 28583497. The reversal of 28583488 is 88438582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28583479) and next prime (28583497).

It is a super-2 number, since 2×28583488² = 1634031572492288, which contains 22 as substring.

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, 5220 + ... + 9187.

Almost surely, 2^28583488 is an apocalyptic number.

It is an amenable number.

28583488 is an abundant number, since it is smaller than the sum of its proper divisors (29970624).

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

28583488 is a wasteful number, since it uses less digits than its factorization.

28583488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14450 (or 14440 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 28583488 is about 5346.3527754910. The cubic root of 28583488 is about 305.7537141415.

The spelling of 28583488 in words is "twenty-eight million, five hundred eighty-three thousand, four hundred eighty-eight".