409376379 has 16 divisors (see below), whose sum is σ = 570046464. Its totient is φ = 260832000.

The previous prime is 409376351. The next prime is 409376411. The reversal of 409376379 is 973673904.

It is not a de Polignac number, because 409376379 - 2⁵ = 409376347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409376309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133099 + ... + 136139.

It is an arithmetic number, because the mean of its divisors is an integer number (35627904).

Almost surely, 2^409376379 is an apocalyptic number.

409376379 is a deficient number, since it is larger than the sum of its proper divisors (160670085).

409376379 is a wasteful number, since it uses less digits than its factorization.

409376379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 409376379 is about 20233.0516482314. The cubic root of 409376379 is about 742.5190381587.

The spelling of 409376379 in words is "four hundred nine million, three hundred seventy-six thousand, three hundred seventy-nine".