28468488 has 32 divisors (see below), whose sum is σ = 73627200. Its totient is φ = 9162048.

The previous prime is 28468471. The next prime is 28468493. The reversal of 28468488 is 88486482.

It is a super-2 number, since 2×28468488² = 1620909618012288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19756 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (2300850).

Almost surely, 2^28468488 is an apocalyptic number.

It is an amenable number.

28468488 is an abundant number, since it is smaller than the sum of its proper divisors (45158712).

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

28468488 is a wasteful number, since it uses less digits than its factorization.

28468488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40941 (or 40937 counting only the distinct ones).

The product of its digits is 786432, while the sum is 48.

The square root of 28468488 is about 5335.5869405343. The cubic root of 28468488 is about 305.3431165014.

The spelling of 28468488 in words is "twenty-eight million, four hundred sixty-eight thousand, four hundred eighty-eight".