280896952 has 32 divisors (see below), whose sum is σ = 621342720. Its totient is φ = 116500320.

The previous prime is 280896947. The next prime is 280896971. The reversal of 280896952 is 259698082.

It is a junction number, because it is equal to n+sod(n) for n = 280896896 and 280896905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79168 + ... + 82639.

It is an arithmetic number, because the mean of its divisors is an integer number (19416960).

Almost surely, 2^280896952 is an apocalyptic number.

It is an amenable number.

280896952 is an abundant number, since it is smaller than the sum of its proper divisors (340445768).

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

280896952 is a wasteful number, since it uses less digits than its factorization.

280896952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161851 (or 161847 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 280896952 is about 16759.9806682466. The cubic root of 280896952 is about 654.9110863517.

The spelling of 280896952 in words is "two hundred eighty million, eight hundred ninety-six thousand, nine hundred fifty-two".