10280856 has 16 divisors (see below), whose sum is σ = 25702200. Its totient is φ = 3426944.

The previous prime is 10280849. The next prime is 10280863. The reversal of 10280856 is 65808201.

It is an interprime number because it is at equal distance from previous prime (10280849) and next prime (10280863).

It is a congruent number.

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, 214161 + ... + 214208.

Almost surely, 2^10280856 is an apocalyptic number.

It is an amenable number.

10280856 is an abundant number, since it is smaller than the sum of its proper divisors (15421344).

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

10280856 is a wasteful number, since it uses less digits than its factorization.

10280856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428378 (or 428374 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 10280856 is about 3206.3773951299. The cubic root of 10280856 is about 217.4418288085.

The spelling of 10280856 in words is "ten million, two hundred eighty thousand, eight hundred fifty-six".