379990943 has 2 divisors, whose sum is σ = 379990944. Its totient is φ = 379990942.

The previous prime is 379990939. The next prime is 379990991. The reversal of 379990943 is 349099973.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 379990943 - 2² = 379990939 is a prime.

It is a super-3 number, since 3×379990943³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379990903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189995471 + 189995472.

It is an arithmetic number, because the mean of its divisors is an integer number (189995472).

Almost surely, 2^379990943 is an apocalyptic number.

379990943 is a deficient number, since it is larger than the sum of its proper divisors (1).

379990943 is an equidigital number, since it uses as much as digits as its factorization.

379990943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653372, while the sum is 53.

The square root of 379990943 is about 19493.3563810853. The cubic root of 379990943 is about 724.3098898013.

The spelling of 379990943 in words is "three hundred seventy-nine million, nine hundred ninety thousand, nine hundred forty-three".