686458230 has 32 divisors (see below), whose sum is σ = 1719131904. Its totient is φ = 175096416.

The previous prime is 686458211. The next prime is 686458237. The reversal of 686458230 is 32854686.

686458230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686458237) 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, 496744 + ... + 498123.

It is an arithmetic number, because the mean of its divisors is an integer number (53722872).

Almost surely, 2^686458230 is an apocalyptic number.

686458230 is an abundant number, since it is smaller than the sum of its proper divisors (1032673674).

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

686458230 is a wasteful number, since it uses less digits than its factorization.

686458230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994900.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 686458230 is about 26200.3478984536. The cubic root of 686458230 is about 882.1410631994.

The spelling of 686458230 in words is "six hundred eighty-six million, four hundred fifty-eight thousand, two hundred thirty".