870285726 has 24 divisors (see below), whose sum is σ = 1996538544. Its totient is φ = 273030720.

The previous prime is 870285701. The next prime is 870285733. The reversal of 870285726 is 627582078.

870285726 is a `hidden beast` number, since 8 + 70 + 2 + 8 + 572 + 6 = 666.

It is a super-3 number, since 3×870285726³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1421730 + ... + 1422341.

It is an arithmetic number, because the mean of its divisors is an integer number (83189106).

Almost surely, 2^870285726 is an apocalyptic number.

870285726 is an abundant number, since it is smaller than the sum of its proper divisors (1126252818).

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

870285726 is a wasteful number, since it uses less digits than its factorization.

870285726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844096 (or 2844093 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 870285726 is about 29500.6055192093. The cubic root of 870285726 is about 954.7447673693.

The spelling of 870285726 in words is "eight hundred seventy million, two hundred eighty-five thousand, seven hundred twenty-six".