686046294 has 32 divisors (see below), whose sum is σ = 1542925440. Its totient is φ = 225925416.

The previous prime is 686046293. The next prime is 686046311. The reversal of 686046294 is 492640686.

It is a super-2 number, since 2×686046294² = 941319035022268872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686046293) 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, 72052 + ... + 81015.

It is an arithmetic number, because the mean of its divisors is an integer number (48216420).

Almost surely, 2^686046294 is an apocalyptic number.

686046294 is an abundant number, since it is smaller than the sum of its proper divisors (856879146).

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

686046294 is a wasteful number, since it uses less digits than its factorization.

686046294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153161 (or 153155 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 686046294 is about 26192.4854490749. The cubic root of 686046294 is about 881.9645735227.

The spelling of 686046294 in words is "six hundred eighty-six million, forty-six thousand, two hundred ninety-four".