233198140 has 24 divisors (see below), whose sum is σ = 559675872. Its totient is φ = 79953600.

The previous prime is 233198111. The next prime is 233198167. The reversal of 233198140 is 41891332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832711 + ... + 832990.

It is an arithmetic number, because the mean of its divisors is an integer number (23319828).

Almost surely, 2^233198140 is an apocalyptic number.

233198140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233198140 is an abundant number, since it is smaller than the sum of its proper divisors (326477732).

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

233198140 is a wasteful number, since it uses less digits than its factorization.

233198140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665717 (or 1665715 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 233198140 is about 15270.8264347415. The cubic root of 233198140 is about 615.5193269109.

The spelling of 233198140 in words is "two hundred thirty-three million, one hundred ninety-eight thousand, one hundred forty".