686426106 has 16 divisors (see below), whose sum is σ = 1373580000. Its totient is φ = 228687408.

The previous prime is 686426077. The next prime is 686426131. The reversal of 686426106 is 601624686.

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, 17656 + ... + 41043.

It is an arithmetic number, because the mean of its divisors is an integer number (85848750).

Almost surely, 2^686426106 is an apocalyptic number.

686426106 is an abundant number, since it is smaller than the sum of its proper divisors (687153894).

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

686426106 is a wasteful number, since it uses less digits than its factorization.

686426106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60653.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 686426106 is about 26199.7348459865. The cubic root of 686426106 is about 882.1273025458.

The spelling of 686426106 in words is "six hundred eighty-six million, four hundred twenty-six thousand, one hundred six".