412397681 has 8 divisors (see below), whose sum is σ = 429471744. Its totient is φ = 395559360.

The previous prime is 412397677. The next prime is 412397729. The reversal of 412397681 is 186793214.

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

It is a cyclic number.

It is not a de Polignac number, because 412397681 - 2² = 412397677 is a prime.

It is a super-2 number, since 2×412397681² = 340143694588355522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412397281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55361 + ... + 62366.

It is an arithmetic number, because the mean of its divisors is an integer number (53683968).

Almost surely, 2^412397681 is an apocalyptic number.

It is an amenable number.

412397681 is a deficient number, since it is larger than the sum of its proper divisors (17074063).

412397681 is a wasteful number, since it uses less digits than its factorization.

412397681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117871.

The product of its digits is 72576, while the sum is 41.

The square root of 412397681 is about 20307.5769357154. The cubic root of 412397681 is about 744.3412226618.

The spelling of 412397681 in words is "four hundred twelve million, three hundred ninety-seven thousand, six hundred eighty-one".