28924902 has 24 divisors (see below), whose sum is σ = 63467040. Its totient is φ = 9519120.

The previous prime is 28924817. The next prime is 28924921. The reversal of 28924902 is 20942982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8749 + ... + 11592.

It is an arithmetic number, because the mean of its divisors is an integer number (2644460).

Almost surely, 2^28924902 is an apocalyptic number.

28924902 is an abundant number, since it is smaller than the sum of its proper divisors (34542138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28924902 is a wasteful number, since it uses less digits than its factorization.

28924902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20428 (or 20425 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 28924902 is about 5378.1876129417. The cubic root of 28924902 is about 306.9662523426.

The spelling of 28924902 in words is "twenty-eight million, nine hundred twenty-four thousand, nine hundred two".