870909474 has 16 divisors (see below), whose sum is σ = 1798007040. Its totient is φ = 280938480.

The previous prime is 870909449. The next prime is 870909499. The reversal of 870909474 is 474909078.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (870909449) and next prime (870909499).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340969 + ... + 2341340.

It is an arithmetic number, because the mean of its divisors is an integer number (112375440).

Almost surely, 2^870909474 is an apocalyptic number.

870909474 is an abundant number, since it is smaller than the sum of its proper divisors (927097566).

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

870909474 is a wasteful number, since it uses less digits than its factorization.

870909474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682345.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 870909474 is about 29511.1754086482. The cubic root of 870909474 is about 954.9728066231.

The spelling of 870909474 in words is "eight hundred seventy million, nine hundred nine thousand, four hundred seventy-four".