864079194 has 16 divisors (see below), whose sum is σ = 1885263840. Its totient is φ = 261842160.

The previous prime is 864079189. The next prime is 864079199. The reversal of 864079194 is 491970468.

It is an interprime number because it is at equal distance from previous prime (864079189) and next prime (864079199).

It is not an unprimeable number, because it can be changed into a prime (864079199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6545989 + ... + 6546120.

It is an arithmetic number, because the mean of its divisors is an integer number (117828990).

Almost surely, 2^864079194 is an apocalyptic number.

864079194 is an abundant number, since it is smaller than the sum of its proper divisors (1021184646).

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

864079194 is a wasteful number, since it uses less digits than its factorization.

864079194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092125.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 864079194 is about 29395.2239998269. The cubic root of 864079194 is about 952.4697304398.

The spelling of 864079194 in words is "eight hundred sixty-four million, seventy-nine thousand, one hundred ninety-four".