864451834 has 16 divisors (see below), whose sum is σ = 1320769440. Its totient is φ = 424218960.

The previous prime is 864451813. The next prime is 864451877. The reversal of 864451834 is 438154468.

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, 72457 + ... + 83539.

It is an arithmetic number, because the mean of its divisors is an integer number (82548090).

Almost surely, 2^864451834 is an apocalyptic number.

864451834 is a deficient number, since it is larger than the sum of its proper divisors (456317606).

864451834 is a wasteful number, since it uses less digits than its factorization.

864451834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805.

The product of its digits is 368640, while the sum is 43.

The square root of 864451834 is about 29401.5617612398. The cubic root of 864451834 is about 952.6066304343.

The spelling of 864451834 in words is "eight hundred sixty-four million, four hundred fifty-one thousand, eight hundred thirty-four".