361342409 has 16 divisors (see below), whose sum is σ = 372556800. Its totient is φ = 350372880.

The previous prime is 361342379. The next prime is 361342441. The reversal of 361342409 is 904243163.

It is not a de Polignac number, because 361342409 - 2⁸ = 361342153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361342469) 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, 1815692 + ... + 1815890.

It is an arithmetic number, because the mean of its divisors is an integer number (23284800).

Almost surely, 2^361342409 is an apocalyptic number.

It is an amenable number.

361342409 is a deficient number, since it is larger than the sum of its proper divisors (11214391).

361342409 is a wasteful number, since it uses less digits than its factorization.

361342409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 361342409 is about 19009.0086274903. The cubic root of 361342409 is about 712.2617873614.

The spelling of 361342409 in words is "three hundred sixty-one million, three hundred forty-two thousand, four hundred nine".