865702964 has 48 divisors (see below), whose sum is σ = 1773768192. Its totient is φ = 361988352.

The previous prime is 865702939. The next prime is 865702969. The reversal of 865702964 is 469207568.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865702969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521624 + ... + 523280.

It is an arithmetic number, because the mean of its divisors is an integer number (36953504).

Almost surely, 2^865702964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 865702964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886884096).

865702964 is an abundant number, since it is smaller than the sum of its proper divisors (908065228).

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

865702964 is a wasteful number, since it uses less digits than its factorization.

865702964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 865702964 is about 29422.8306592007. The cubic root of 865702964 is about 953.0659813446.

The spelling of 865702964 in words is "eight hundred sixty-five million, seven hundred two thousand, nine hundred sixty-four".