367688381 has 2 divisors, whose sum is σ = 367688382. Its totient is φ = 367688380.

The previous prime is 367688333. The next prime is 367688383. The reversal of 367688381 is 183886763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344696356 + 22992025 = 18566^2 + 4795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-367688381 is a prime.

It is a super-2 number, since 2×367688381² = 270389491044802322, which contains 22 as substring.

Together with 367688383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (367688383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183844190 + 183844191.

It is an arithmetic number, because the mean of its divisors is an integer number (183844191).

Almost surely, 2^367688381 is an apocalyptic number.

It is an amenable number.

367688381 is a deficient number, since it is larger than the sum of its proper divisors (1).

367688381 is an equidigital number, since it uses as much as digits as its factorization.

367688381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 367688381 is about 19175.2022414367. The cubic root of 367688381 is about 716.4072442932.

The spelling of 367688381 in words is "three hundred sixty-seven million, six hundred eighty-eight thousand, three hundred eighty-one".