870497394 has 16 divisors (see below), whose sum is σ = 1874917632. Its totient is φ = 267845328.

The previous prime is 870497377. The next prime is 870497401. The reversal of 870497394 is 493794078.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5580034 + ... + 5580189.

It is an arithmetic number, because the mean of its divisors is an integer number (117182352).

Almost surely, 2^870497394 is an apocalyptic number.

870497394 is an abundant number, since it is smaller than the sum of its proper divisors (1004420238).

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

870497394 is a wasteful number, since it uses less digits than its factorization.

870497394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160241.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 870497394 is about 29504.1928206823. The cubic root of 870497394 is about 954.8221643773.

The spelling of 870497394 in words is "eight hundred seventy million, four hundred ninety-seven thousand, three hundred ninety-four".