376326421 has 2 divisors, whose sum is σ = 376326422. Its totient is φ = 376326420.

The previous prime is 376326409. The next prime is 376326479. The reversal of 376326421 is 124623673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322597521 + 53728900 = 17961^2 + 7330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376326421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376326491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188163210 + 188163211.

It is an arithmetic number, because the mean of its divisors is an integer number (188163211).

Almost surely, 2^376326421 is an apocalyptic number.

It is an amenable number.

376326421 is a deficient number, since it is larger than the sum of its proper divisors (1).

376326421 is an equidigital number, since it uses as much as digits as its factorization.

376326421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 34.

The square root of 376326421 is about 19399.1345425511. The cubic root of 376326421 is about 721.9740202641.

The spelling of 376326421 in words is "three hundred seventy-six million, three hundred twenty-six thousand, four hundred twenty-one".