870407398 has 16 divisors (see below), whose sum is σ = 1540260864. Its totient is φ = 360998280.

The previous prime is 870407383. The next prime is 870407399. The reversal of 870407398 is 893704078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870407399) by changing a digit.

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, 1002340 + ... + 1003207.

It is an arithmetic number, because the mean of its divisors is an integer number (96266304).

Almost surely, 2^870407398 is an apocalyptic number.

870407398 is a deficient number, since it is larger than the sum of its proper divisors (669853466).

870407398 is a wasteful number, since it uses less digits than its factorization.

870407398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005587.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 870407398 is about 29502.6676420964. The cubic root of 870407398 is about 954.7892586165.

The spelling of 870407398 in words is "eight hundred seventy million, four hundred seven thousand, three hundred ninety-eight".