864423814 has 16 divisors (see below), whose sum is σ = 1301993280. Its totient is φ = 430430760.

The previous prime is 864423779. The next prime is 864423821. The reversal of 864423814 is 418324468.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847797 + ... + 848815.

It is an arithmetic number, because the mean of its divisors is an integer number (81374580).

Almost surely, 2^864423814 is an apocalyptic number.

864423814 is a deficient number, since it is larger than the sum of its proper divisors (437569466).

864423814 is a wasteful number, since it uses less digits than its factorization.

864423814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its digits is 147456, while the sum is 40.

The square root of 864423814 is about 29401.0852520787. The cubic root of 864423814 is about 952.5963378515.

The spelling of 864423814 in words is "eight hundred sixty-four million, four hundred twenty-three thousand, eight hundred fourteen".