686091462 has 32 divisors (see below), whose sum is σ = 1569004800. Its totient is φ = 195926688.

The previous prime is 686091451. The next prime is 686091503. The reversal of 686091462 is 264190686.

686091462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133089 + ... + 138147.

It is an arithmetic number, because the mean of its divisors is an integer number (49031400).

Almost surely, 2^686091462 is an apocalyptic number.

686091462 is an abundant number, since it is smaller than the sum of its proper divisors (882913338).

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

686091462 is a wasteful number, since it uses less digits than its factorization.

686091462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 686091462 is about 26193.3476669173. The cubic root of 686091462 is about 881.9839287285.

The spelling of 686091462 in words is "six hundred eighty-six million, ninety-one thousand, four hundred sixty-two".