232809438 has 16 divisors (see below), whose sum is σ = 465768576. Its totient is φ = 77578200.

The previous prime is 232809433. The next prime is 232809449. The reversal of 232809438 is 834908232.

It is a junction number, because it is equal to n+sod(n) for n = 232809396 and 232809405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232809433) 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, 32263 + ... + 38813.

It is an arithmetic number, because the mean of its divisors is an integer number (29110536).

Almost surely, 2^232809438 is an apocalyptic number.

232809438 is an abundant number, since it is smaller than the sum of its proper divisors (232959138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232809438 is a wasteful number, since it uses less digits than its factorization.

232809438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 232809438 is about 15258.0941798116. The cubic root of 232809438 is about 615.1771477259.

The spelling of 232809438 in words is "two hundred thirty-two million, eight hundred nine thousand, four hundred thirty-eight".