28754312 has 16 divisors (see below), whose sum is σ = 55773900. Its totient is φ = 13881280.

The previous prime is 28754281. The next prime is 28754333. The reversal of 28754312 is 21345782.

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 1359556 = 5234^2 + 1166^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61739 + ... + 62202.

Almost surely, 2^28754312 is an apocalyptic number.

It is an amenable number.

28754312 is a deficient number, since it is larger than the sum of its proper divisors (27019588).

28754312 is a wasteful number, since it uses less digits than its factorization.

28754312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123976 (or 123972 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 28754312 is about 5362.3047283794. The cubic root of 28754312 is about 306.3615985341.

The spelling of 28754312 in words is "twenty-eight million, seven hundred fifty-four thousand, three hundred twelve".