28332484 has 6 divisors (see below), whose sum is σ = 49581854. Its totient is φ = 14166240.

The previous prime is 28332463. The next prime is 28332511. The reversal of 28332484 is 48423382.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 6969600 = 4622^2 + 2640^2 .

It is a super-2 number, since 2×28332484² = 1605459299220512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3541557 + ... + 3541564.

Almost surely, 2^28332484 is an apocalyptic number.

It is an amenable number.

28332484 is a deficient number, since it is larger than the sum of its proper divisors (21249370).

28332484 is a wasteful number, since it uses less digits than its factorization.

28332484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083125 (or 7083123 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 28332484 is about 5322.8266926512. The cubic root of 28332484 is about 304.8560962282.

The spelling of 28332484 in words is "twenty-eight million, three hundred thirty-two thousand, four hundred eighty-four".