28395152 has 10 divisors (see below), whose sum is σ = 55015638. Its totient is φ = 14197568.

The previous prime is 28395149. The next prime is 28395161. The reversal of 28395152 is 25159382.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 50176 = 5324^2 + 224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887333 + ... + 887364.

Almost surely, 2^28395152 is an apocalyptic number.

It is an amenable number.

28395152 is a deficient number, since it is larger than the sum of its proper divisors (26620486).

28395152 is a wasteful number, since it uses less digits than its factorization.

28395152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774705 (or 1774699 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 28395152 is about 5328.7101628818. The cubic root of 28395152 is about 305.0806988828.

The spelling of 28395152 in words is "twenty-eight million, three hundred ninety-five thousand, one hundred fifty-two".