28924986 has 32 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 9372800.

The previous prime is 28924979. The next prime is 28924997. The reversal of 28924986 is 68942982.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35350 + ... + 36158.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 2^28924986 is an apocalyptic number.

28924986 is an abundant number, since it is smaller than the sum of its proper divisors (30561414).

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

28924986 is a wasteful number, since it uses less digits than its factorization.

28924986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its digits is 497664, while the sum is 48.

The square root of 28924986 is about 5378.1954222583. The cubic root of 28924986 is about 306.9665494930.

The spelling of 28924986 in words is "twenty-eight million, nine hundred twenty-four thousand, nine hundred eighty-six".