232289890 has 32 divisors (see below), whose sum is σ = 487612800. Its totient is φ = 79641072.

The previous prime is 232289879. The next prime is 232289909. The reversal of 232289890 is 98982232.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30432 + ... + 37291.

It is an arithmetic number, because the mean of its divisors is an integer number (15237900).

Almost surely, 2^232289890 is an apocalyptic number.

232289890 is an abundant number, since it is smaller than the sum of its proper divisors (255322910).

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

232289890 is an equidigital number, since it uses as much as digits as its factorization.

232289890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67751 (or 67737 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 232289890 is about 15241.0593463840. The cubic root of 232289890 is about 614.7191879030.

The spelling of 232289890 in words is "two hundred thirty-two million, two hundred eighty-nine thousand, eight hundred ninety".