681462926 has 8 divisors (see below), whose sum is σ = 1023852960. Its totient is φ = 340178608.

The previous prime is 681462893. The next prime is 681462931. The reversal of 681462926 is 629264186.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274886 + ... + 277353.

It is an arithmetic number, because the mean of its divisors is an integer number (127981620).

Almost surely, 2^681462926 is an apocalyptic number.

681462926 is a deficient number, since it is larger than the sum of its proper divisors (342390034).

681462926 is a wasteful number, since it uses less digits than its factorization.

681462926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552858.

The product of its digits is 248832, while the sum is 44.

The square root of 681462926 is about 26104.8448759996. The cubic root of 681462926 is about 879.9960941631.

The spelling of 681462926 in words is "six hundred eighty-one million, four hundred sixty-two thousand, nine hundred twenty-six".