232832409 has 4 divisors (see below), whose sum is σ = 310443216. Its totient is φ = 155221604.

The previous prime is 232832363. The next prime is 232832417. The reversal of 232832409 is 904238232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232832409 - 2¹² = 232828313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232832409.

It is not an unprimeable number, because it can be changed into a prime (232832419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38805399 + ... + 38805404.

It is an arithmetic number, because the mean of its divisors is an integer number (77610804).

Almost surely, 2^232832409 is an apocalyptic number.

It is an amenable number.

232832409 is a deficient number, since it is larger than the sum of its proper divisors (77610807).

232832409 is an equidigital number, since it uses as much as digits as its factorization.

232832409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77610806.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 232832409 is about 15258.8469092524. The cubic root of 232832409 is about 615.1973799663.

The spelling of 232832409 in words is "two hundred thirty-two million, eight hundred thirty-two thousand, four hundred nine".