865694946 has 8 divisors (see below), whose sum is σ = 1731389904. Its totient is φ = 288564980.

The previous prime is 865694923. The next prime is 865694959. The reversal of 865694946 is 649496568.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

865694946 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72141240 + ... + 72141251.

It is an arithmetic number, because the mean of its divisors is an integer number (216423738).

Almost surely, 2^865694946 is an apocalyptic number.

865694946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

865694946 is a wasteful number, since it uses less digits than its factorization.

865694946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144282496.

The product of its digits is 11197440, while the sum is 57.

The square root of 865694946 is about 29422.6944041500. The cubic root of 865694946 is about 953.0630389548.

The spelling of 865694946 in words is "eight hundred sixty-five million, six hundred ninety-four thousand, nine hundred forty-six".