232608981 has 16 divisors (see below), whose sum is σ = 338702400. Its totient is φ = 140824320.

The previous prime is 232608953. The next prime is 232608983. The reversal of 232608981 is 189806232.

It is a happy number.

It is not a de Polignac number, because 232608981 - 2⁷ = 232608853 is a prime.

It is a super-2 number, since 2×232608981² = 108213876083716722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232608983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32845 + ... + 39293.

It is an arithmetic number, because the mean of its divisors is an integer number (21168900).

Almost surely, 2^232608981 is an apocalyptic number.

It is an amenable number.

232608981 is a deficient number, since it is larger than the sum of its proper divisors (106093419).

232608981 is a wasteful number, since it uses less digits than its factorization.

232608981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 232608981 is about 15251.5238910740. The cubic root of 232608981 is about 615.0005340732. Note that the first 3 decimals are identical.

The spelling of 232608981 in words is "two hundred thirty-two million, six hundred eight thousand, nine hundred eighty-one".