865646014 has 4 divisors (see below), whose sum is σ = 1298469024. Its totient is φ = 432823006.

The previous prime is 865645993. The next prime is 865646051. The reversal of 865646014 is 410646568.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216411502 + ... + 216411505.

It is an arithmetic number, because the mean of its divisors is an integer number (324617256).

Almost surely, 2^865646014 is an apocalyptic number.

865646014 is a deficient number, since it is larger than the sum of its proper divisors (432823010).

865646014 is a wasteful number, since it uses less digits than its factorization.

865646014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432823009.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 865646014 is about 29421.8628574059. The cubic root of 865646014 is about 953.0450818367.

The spelling of 865646014 in words is "eight hundred sixty-five million, six hundred forty-six thousand, fourteen".