864444414 has 16 divisors (see below), whose sum is σ = 1731428352. Its totient is φ = 287724888.

The previous prime is 864444409. The next prime is 864444433. The reversal of 864444414 is 414444468.

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, 101374 + ... + 109569.

It is an arithmetic number, because the mean of its divisors is an integer number (108214272).

Almost surely, 2^864444414 is an apocalyptic number.

864444414 is an abundant number, since it is smaller than the sum of its proper divisors (866983938).

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

864444414 is a wasteful number, since it uses less digits than its factorization.

864444414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211631.

The product of its digits is 196608, while the sum is 39.

The square root of 864444414 is about 29401.4355771959. The cubic root of 864444414 is about 952.6039048684.

The spelling of 864444414 in words is "eight hundred sixty-four million, four hundred forty-four thousand, four hundred fourteen".