336411981 has 16 divisors (see below), whose sum is σ = 501379200. Its totient is φ = 222928704.

The previous prime is 336411973. The next prime is 336411983. The reversal of 336411981 is 189114633.

336411981 is a `hidden beast` number, since 3 + 3 + 641 + 1 + 9 + 8 + 1 = 666.

It is not a de Polignac number, because 336411981 - 2³ = 336411973 is a prime.

It is a super-2 number, since 2×336411981² = 226346041920688722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (336411983) 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, 32796 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (31336200).

Almost surely, 2^336411981 is an apocalyptic number.

It is an amenable number.

336411981 is a deficient number, since it is larger than the sum of its proper divisors (164967219).

336411981 is a wasteful number, since it uses less digits than its factorization.

336411981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74785 (or 74779 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 336411981 is about 18341.5370402810. The cubic root of 336411981 is about 695.4893512062.

The spelling of 336411981 in words is "three hundred thirty-six million, four hundred eleven thousand, nine hundred eighty-one".