28842512 has 10 divisors (see below), whose sum is σ = 55882398. Its totient is φ = 14421248.

The previous prime is 28842503. The next prime is 28842521. The reversal of 28842512 is 21524882.

It is an interprime number because it is at equal distance from previous prime (28842503) and next prime (28842521).

It can be written as a sum of positive squares in only one way, i.e., 24245776 + 4596736 = 4924^2 + 2144^2 .

It is a super-3 number, since 3×28842512³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901313 + ... + 901344.

Almost surely, 2^28842512 is an apocalyptic number.

It is an amenable number.

28842512 is a deficient number, since it is larger than the sum of its proper divisors (27039886).

28842512 is a wasteful number, since it uses less digits than its factorization.

28842512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802665 (or 1802659 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 28842512 is about 5370.5225071682. The cubic root of 28842512 is about 306.6745198577.

The spelling of 28842512 in words is "twenty-eight million, eight hundred forty-two thousand, five hundred twelve".