373949399 has 2 divisors, whose sum is σ = 373949400. Its totient is φ = 373949398.

The previous prime is 373949363. The next prime is 373949413. The reversal of 373949399 is 993949373.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 373949399 - 2¹² = 373945303 is a prime.

It is a super-2 number, since 2×373949399² = 279676306024922402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373949339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186974699 + 186974700.

It is an arithmetic number, because the mean of its divisors is an integer number (186974700).

Almost surely, 2^373949399 is an apocalyptic number.

373949399 is a deficient number, since it is larger than the sum of its proper divisors (1).

373949399 is an equidigital number, since it uses as much as digits as its factorization.

373949399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 56.

The square root of 373949399 is about 19337.7713038499. The cubic root of 373949399 is about 720.4507202335.

The spelling of 373949399 in words is "three hundred seventy-three million, nine hundred forty-nine thousand, three hundred ninety-nine".