28898872 has 16 divisors (see below), whose sum is σ = 55074600. Its totient is φ = 14212320.

The previous prime is 28898869. The next prime is 28898893. The reversal of 28898872 is 27889882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29122 + ... + 30097.

Almost surely, 2^28898872 is an apocalyptic number.

It is an amenable number.

28898872 is a deficient number, since it is larger than the sum of its proper divisors (26175728).

28898872 is a wasteful number, since it uses less digits than its factorization.

28898872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59286 (or 59282 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The square root of 28898872 is about 5375.7671080507. The cubic root of 28898872 is about 306.8741433630.

The spelling of 28898872 in words is "twenty-eight million, eight hundred ninety-eight thousand, eight hundred seventy-two".