280054964 has 12 divisors (see below), whose sum is σ = 560109984. Its totient is φ = 120023544.

The previous prime is 280054963. The next prime is 280054981. The reversal of 280054964 is 469450082.

280054964 is an admirable number.

It is a super-2 number, since 2×280054964² = 156861565722082592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280054963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000954 + ... + 5001009.

It is an arithmetic number, because the mean of its divisors is an integer number (46675832).

Almost surely, 2^280054964 is an apocalyptic number.

It is an amenable number.

280054964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

280054964 is a wasteful number, since it uses less digits than its factorization.

280054964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001974 (or 10001972 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 280054964 is about 16734.8428137225. The cubic root of 280054964 is about 654.2560665914.

The spelling of 280054964 in words is "two hundred eighty million, fifty-four thousand, nine hundred sixty-four".