28152484 has 6 divisors (see below), whose sum is σ = 49266854. Its totient is φ = 14076240.

The previous prime is 28152479. The next prime is 28152497. The reversal of 28152484 is 48425182.

It can be written as a sum of positive squares in only one way, i.e., 14668900 + 13483584 = 3830^2 + 3672^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3519057 + ... + 3519064.

Almost surely, 2^28152484 is an apocalyptic number.

It is an amenable number.

28152484 is a deficient number, since it is larger than the sum of its proper divisors (21114370).

28152484 is a wasteful number, since it uses less digits than its factorization.

28152484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038125 (or 7038123 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 28152484 is about 5305.8914425382. The cubic root of 28152484 is about 304.2091272264.

The spelling of 28152484 in words is "twenty-eight million, one hundred fifty-two thousand, four hundred eighty-four".