681296358 has 8 divisors (see below), whose sum is σ = 1362592728. Its totient is φ = 227098784.

The previous prime is 681296353. The next prime is 681296377. The reversal of 681296358 is 853692186.

It is a happy number.

681296358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

681296358 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681296351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56774691 + ... + 56774702.

It is an arithmetic number, because the mean of its divisors is an integer number (170324091).

Almost surely, 2^681296358 is an apocalyptic number.

681296358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

681296358 is a wasteful number, since it uses less digits than its factorization.

681296358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113549398.

The product of its digits is 622080, while the sum is 48.

The square root of 681296358 is about 26101.6543153878. The cubic root of 681296358 is about 879.9243900258.

The spelling of 681296358 in words is "six hundred eighty-one million, two hundred ninety-six thousand, three hundred fifty-eight".