864285416 has 32 divisors (see below), whose sum is σ = 1666348200. Its totient is φ = 420076800.

The previous prime is 864285413. The next prime is 864285437. The reversal of 864285416 is 614582468.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 759222916 + 105062500 = 27554^2 + 10250^2 .

It is not an unprimeable number, because it can be changed into a prime (864285413) 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, 36866 + ... + 55566.

Almost surely, 2^864285416 is an apocalyptic number.

It is an amenable number.

864285416 is a deficient number, since it is larger than the sum of its proper divisors (802062784).

864285416 is a wasteful number, since it uses less digits than its factorization.

864285416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18869 (or 18865 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 864285416 is about 29398.7315372619. The cubic root of 864285416 is about 952.5454968704.

The spelling of 864285416 in words is "eight hundred sixty-four million, two hundred eighty-five thousand, four hundred sixteen".