368393449 has 2 divisors, whose sum is σ = 368393450. Its totient is φ = 368393448.

The previous prime is 368393387. The next prime is 368393471. The reversal of 368393449 is 944393863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364810000 + 3583449 = 19100^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 368393449 - 2⁷ = 368393321 is a prime.

It is a super-2 number, since 2×368393449² = 271427466532231202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368393549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184196724 + 184196725.

It is an arithmetic number, because the mean of its divisors is an integer number (184196725).

Almost surely, 2^368393449 is an apocalyptic number.

It is an amenable number.

368393449 is a deficient number, since it is larger than the sum of its proper divisors (1).

368393449 is an equidigital number, since it uses as much as digits as its factorization.

368393449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 49.

The square root of 368393449 is about 19193.5783271385. The cubic root of 368393449 is about 716.8648721176.

The spelling of 368393449 in words is "three hundred sixty-eight million, three hundred ninety-three thousand, four hundred forty-nine".