232640609 has 8 divisors (see below), whose sum is σ = 234880800. Its totient is φ = 230410656.

The previous prime is 232640593. The next prime is 232640623. The reversal of 232640609 is 906046232.

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

It is a cyclic number.

It is not a de Polignac number, because 232640609 - 2⁴ = 232640593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232640669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47717 + ... + 52365.

It is an arithmetic number, because the mean of its divisors is an integer number (29360100).

Almost surely, 2^232640609 is an apocalyptic number.

It is an amenable number.

232640609 is a deficient number, since it is larger than the sum of its proper divisors (2240191).

232640609 is a wasteful number, since it uses less digits than its factorization.

232640609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119.

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

The square root of 232640609 is about 15252.5607358240. The cubic root of 232640609 is about 615.0284068224.

The spelling of 232640609 in words is "two hundred thirty-two million, six hundred forty thousand, six hundred nine".