336817381 has 2 divisors, whose sum is σ = 336817382. Its totient is φ = 336817380.

The previous prime is 336817373. The next prime is 336817423. The reversal of 336817381 is 183718633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330912481 + 5904900 = 18191^2 + 2430^2 .

It is a cyclic number.

It is not a de Polignac number, because 336817381 - 2³ = 336817373 is a prime.

It is a super-2 number, since 2×336817381² = 226891896287398322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336817301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168408690 + 168408691.

It is an arithmetic number, because the mean of its divisors is an integer number (168408691).

Almost surely, 2^336817381 is an apocalyptic number.

It is an amenable number.

336817381 is a deficient number, since it is larger than the sum of its proper divisors (1).

336817381 is an equidigital number, since it uses as much as digits as its factorization.

336817381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 336817381 is about 18352.5851312560. The cubic root of 336817381 is about 695.7686101878.

The spelling of 336817381 in words is "three hundred thirty-six million, eight hundred seventeen thousand, three hundred eighty-one".