28838512 has 10 divisors (see below), whose sum is σ = 55874648. Its totient is φ = 14419248.

The previous prime is 28838501. The next prime is 28838521. The reversal of 28838512 is 21583882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901188 + ... + 901219.

Almost surely, 2^28838512 is an apocalyptic number.

It is an amenable number.

28838512 is a deficient number, since it is larger than the sum of its proper divisors (27036136).

28838512 is a wasteful number, since it uses less digits than its factorization.

28838512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802415 (or 1802409 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 28838512 is about 5370.1500910124. The cubic root of 28838512 is about 306.6603422346.

The spelling of 28838512 in words is "twenty-eight million, eight hundred thirty-eight thousand, five hundred twelve".