232391490 has 32 divisors (see below), whose sum is σ = 560191680. Its totient is φ = 61698624.

The previous prime is 232391473. The next prime is 232391491. The reversal of 232391490 is 94193232.

232391490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (232391491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10044 + ... + 23783.

It is an arithmetic number, because the mean of its divisors is an integer number (17505990).

Almost surely, 2^232391490 is an apocalyptic number.

232391490 is an abundant number, since it is smaller than the sum of its proper divisors (327800190).

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

232391490 is a wasteful number, since it uses less digits than its factorization.

232391490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34066.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 232391490 is about 15244.3920836483. The cubic root of 232391490 is about 614.8087977235.

The spelling of 232391490 in words is "two hundred thirty-two million, three hundred ninety-one thousand, four hundred ninety".