232943840 has 48 divisors (see below), whose sum is σ = 554398992. Its totient is φ = 92488704.

The previous prime is 232943831. The next prime is 232943869. The reversal of 232943840 is 48349232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 232943840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16607 + ... + 27233.

It is an arithmetic number, because the mean of its divisors is an integer number (11549979).

Almost surely, 2^232943840 is an apocalyptic number.

232943840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232943840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277199496).

232943840 is an abundant number, since it is smaller than the sum of its proper divisors (321455152).

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

232943840 is a wasteful number, since it uses less digits than its factorization.

232943840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10779 (or 10771 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 232943840 is about 15262.4978296477. The cubic root of 232943840 is about 615.2955065206.

The spelling of 232943840 in words is "two hundred thirty-two million, nine hundred forty-three thousand, eight hundred forty".