866038376 has 64 divisors (see below), whose sum is σ = 1883865600. Its totient is φ = 365594112.

The previous prime is 866038363. The next prime is 866038379. The reversal of 866038376 is 673830668.

It is a self number, because there is not a number n which added to its sum of digits gives 866038376.

It is not an unprimeable number, because it can be changed into a prime (866038379) 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, 1204145 + ... + 1204863.

It is an arithmetic number, because the mean of its divisors is an integer number (29435400).

Almost surely, 2^866038376 is an apocalyptic number.

It is an amenable number.

866038376 is an abundant number, since it is smaller than the sum of its proper divisors (1017827224).

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

866038376 is a wasteful number, since it uses less digits than its factorization.

866038376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 866038376 is about 29428.5299666837. The cubic root of 866038376 is about 953.1890522301.

The spelling of 866038376 in words is "eight hundred sixty-six million, thirty-eight thousand, three hundred seventy-six".