28382488 has 16 divisors (see below), whose sum is σ = 53892000. Its totient is φ = 14011296.

The previous prime is 28382479. The next prime is 28382539. The reversal of 28382488 is 88428382.

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, 21823 + ... + 23086.

It is an arithmetic number, because the mean of its divisors is an integer number (3368250).

Almost surely, 2^28382488 is an apocalyptic number.

It is an amenable number.

28382488 is a deficient number, since it is larger than the sum of its proper divisors (25509512).

28382488 is a wasteful number, since it uses less digits than its factorization.

28382488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44994 (or 44990 counting only the distinct ones).

The product of its digits is 196608, while the sum is 43.

The square root of 28382488 is about 5327.5217503075. The cubic root of 28382488 is about 305.0353376596.

The spelling of 28382488 in words is "twenty-eight million, three hundred eighty-two thousand, four hundred eighty-eight".