376042921 has 2 divisors, whose sum is σ = 376042922. Its totient is φ = 376042920.

The previous prime is 376042883. The next prime is 376042949. The reversal of 376042921 is 129240673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 154032921 = 14900^2 + 12411^2 .

It is a cyclic number.

It is not a de Polignac number, because 376042921 - 2⁹ = 376042409 is a prime.

It is not a weakly prime, because it can be changed into another prime (376042981) 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, 188021460 + 188021461.

It is an arithmetic number, because the mean of its divisors is an integer number (188021461).

Almost surely, 2^376042921 is an apocalyptic number.

It is an amenable number.

376042921 is a deficient number, since it is larger than the sum of its proper divisors (1).

376042921 is an equidigital number, since it uses as much as digits as its factorization.

376042921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 376042921 is about 19391.8261388658. The cubic root of 376042921 is about 721.7926785332.

The spelling of 376042921 in words is "three hundred seventy-six million, forty-two thousand, nine hundred twenty-one".