376243609 has 27 divisors (see below), whose sum is σ = 467800767. Its totient is φ = 301662144.

The previous prime is 376243603. The next prime is 376243613. The reversal of 376243609 is 906342673.

The square root of 376243609 is 19397.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 292923225 + 83320384 = 17115^2 + 9128^2 .

It is not a de Polignac number, because 376243609 - 2¹¹ = 376241561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (376243603) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2308162 + ... + 2308324.

Almost surely, 2^376243609 is an apocalyptic number.

376243609 is the 19397-th square number.

376243609 is the 9699-th centered octagonal number.

It is an amenable number.

376243609 is a deficient number, since it is larger than the sum of its proper divisors (91557158).

376243609 is an equidigital number, since it uses as much as digits as its factorization.

376243609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The cubic root of 376243609 is about 721.9210587080.

The spelling of 376243609 in words is "three hundred seventy-six million, two hundred forty-three thousand, six hundred nine".