686320094 has 16 divisors (see below), whose sum is σ = 1035203136. Its totient is φ = 341258400.

The previous prime is 686320081. The next prime is 686320153. The reversal of 686320094 is 490023686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307904 + ... + 310124.

It is an arithmetic number, because the mean of its divisors is an integer number (64700196).

Almost surely, 2^686320094 is an apocalyptic number.

686320094 is a deficient number, since it is larger than the sum of its proper divisors (348883042).

686320094 is a wasteful number, since it uses less digits than its factorization.

686320094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 686320094 is about 26197.7116176203. The cubic root of 686320094 is about 882.0818881434.

The spelling of 686320094 in words is "six hundred eighty-six million, three hundred twenty thousand, ninety-four".