334436681 has 2 divisors, whose sum is σ = 334436682. Its totient is φ = 334436680.

The previous prime is 334436677. The next prime is 334436693. The reversal of 334436681 is 186634433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316662025 + 17774656 = 17795^2 + 4216^2 .

It is an emirp because it is prime and its reverse (186634433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334436681 - 2² = 334436677 is a prime.

It is a super-2 number, since 2×334436681² = 223695787196591522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (334436611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167218340 + 167218341.

It is an arithmetic number, because the mean of its divisors is an integer number (167218341).

Almost surely, 2^334436681 is an apocalyptic number.

It is an amenable number.

334436681 is a deficient number, since it is larger than the sum of its proper divisors (1).

334436681 is an equidigital number, since it uses as much as digits as its factorization.

334436681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The square root of 334436681 is about 18287.6100406805. The cubic root of 334436681 is about 694.1254503622.

The spelling of 334436681 in words is "three hundred thirty-four million, four hundred thirty-six thousand, six hundred eighty-one".