376643399 has 8 divisors (see below), whose sum is σ = 412680720. Its totient is φ = 340905600.

The previous prime is 376643369. The next prime is 376643401. The reversal of 376643399 is 993346673.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376643399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376643359) 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 in 7 ways as a sum of consecutive naturals, for example, 72242 + ... + 77279.

It is an arithmetic number, because the mean of its divisors is an integer number (51585090).

Almost surely, 2^376643399 is an apocalyptic number.

376643399 is a deficient number, since it is larger than the sum of its proper divisors (36037321).

376643399 is a wasteful number, since it uses less digits than its factorization.

376643399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149761.

The product of its digits is 2204496, while the sum is 50.

The square root of 376643399 is about 19407.3027234595. The cubic root of 376643399 is about 722.1766685018.

The spelling of 376643399 in words is "three hundred seventy-six million, six hundred forty-three thousand, three hundred ninety-nine".