232090989 has 8 divisors (see below), whose sum is σ = 333258912. Its totient is φ = 142825200.

The previous prime is 232090979. The next prime is 232090993. The reversal of 232090989 is 989090232.

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

It is not a de Polignac number, because 232090989 - 2²⁷ = 97873261 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232090989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232090939) 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, 2975487 + ... + 2975564.

It is an arithmetic number, because the mean of its divisors is an integer number (41657364).

Almost surely, 2^232090989 is an apocalyptic number.

It is an amenable number.

232090989 is a deficient number, since it is larger than the sum of its proper divisors (101167923).

232090989 is a wasteful number, since it uses less digits than its factorization.

232090989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951067.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 232090989 is about 15234.5327791830. The cubic root of 232090989 is about 614.5436842458.

The spelling of 232090989 in words is "two hundred thirty-two million, ninety thousand, nine hundred eighty-nine".