280052904 has 16 divisors (see below), whose sum is σ = 700132320. Its totient is φ = 93350960.

The previous prime is 280052879. The next prime is 280052923. The reversal of 280052904 is 409250082.

It is a super-3 number, since 3×280052904³ (a number of 26 digits) contains 333 as substring.

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, 5834412 + ... + 5834459.

It is an arithmetic number, because the mean of its divisors is an integer number (43758270).

Almost surely, 2^280052904 is an apocalyptic number.

280052904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

280052904 is an abundant number, since it is smaller than the sum of its proper divisors (420079416).

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

280052904 is a wasteful number, since it uses less digits than its factorization.

280052904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11668880 (or 11668876 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 280052904 is about 16734.7812653766. The cubic root of 280052904 is about 654.2544624173.

The spelling of 280052904 in words is "two hundred eighty million, fifty-two thousand, nine hundred four".