681214096 has 20 divisors (see below), whose sum is σ = 1320782652. Its totient is φ = 340366976.

The previous prime is 681214063. The next prime is 681214097. The reversal of 681214096 is 690412186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 593604496 + 87609600 = 24364^2 + 9360^2 .

It is not an unprimeable number, because it can be changed into a prime (681214097) 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, 9630 + ... + 38146.

Almost surely, 2^681214096 is an apocalyptic number.

It is an amenable number.

681214096 is a deficient number, since it is larger than the sum of its proper divisors (639568556).

681214096 is a wasteful number, since it uses less digits than its factorization.

681214096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30018 (or 30012 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 681214096 is about 26100.0784673150. The cubic root of 681214096 is about 879.8889735961. Note that the first 3 decimals are identical.

It can be divided in two parts, 68121 and 4096, that multiplied together give a square (279023616 = 16704²).

The spelling of 681214096 in words is "six hundred eighty-one million, two hundred fourteen thousand, ninety-six".