865296486 has 24 divisors (see below), whose sum is σ = 1923361560. Its totient is φ = 288360108.

The previous prime is 865296473. The next prime is 865296493. The reversal of 865296486 is 684692568.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214161 + ... + 218163.

It is an arithmetic number, because the mean of its divisors is an integer number (80140065).

Almost surely, 2^865296486 is an apocalyptic number.

865296486 is an abundant number, since it is smaller than the sum of its proper divisors (1058065074).

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

865296486 is an frugal number, since it uses more digits than its factorization.

865296486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8017 (or 4008 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 865296486 is about 29415.9223210832. The cubic root of 865296486 is about 952.9167919888.

Multiplying 865296486 by its sum of digits (54), we get a square (46726010244 = 216162²).

865296486 divided by its sum of digits (54) gives a square (16024009 = 4003²).

The spelling of 865296486 in words is "eight hundred sixty-five million, two hundred ninety-six thousand, four hundred eighty-six".