28344976 has 35 divisors (see below), whose sum is σ = 60410227. Its totient is φ = 12884080.

The previous prime is 28344961. The next prime is 28344989. The reversal of 28344976 is 67944382.

The square root of 28344976 is 5324.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 2576811 + ... + 2576821.

Almost surely, 2^28344976 is an apocalyptic number.

28344976 is the 5324-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28344976

28344976 is an abundant number, since it is smaller than the sum of its proper divisors (32065251).

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

28344976 is an frugal number, since it uses more digits than its factorization.

28344976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 13 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The cubic root of 28344976 is about 304.9008940746.

The spelling of 28344976 in words is "twenty-eight million, three hundred forty-four thousand, nine hundred seventy-six".