232985421 has 6 divisors (see below), whose sum is σ = 336534510. Its totient is φ = 155323608.

The previous prime is 232985387. The next prime is 232985443. The reversal of 232985421 is 124589232.

It is a happy number.

232985421 is a `hidden beast` number, since 23 + 2 + 98 + 542 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 201782025 + 31203396 = 14205^2 + 5586^2 .

It is not a de Polignac number, because 232985421 - 2⁹ = 232984909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232945421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12943626 + ... + 12943643.

It is an arithmetic number, because the mean of its divisors is an integer number (56089085).

Almost surely, 2^232985421 is an apocalyptic number.

It is an amenable number.

232985421 is a deficient number, since it is larger than the sum of its proper divisors (103549089).

232985421 is a wasteful number, since it uses less digits than its factorization.

232985421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25887275 (or 25887272 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 232985421 is about 15263.8599639803. The cubic root of 232985421 is about 615.3321148869.

The spelling of 232985421 in words is "two hundred thirty-two million, nine hundred eighty-five thousand, four hundred twenty-one".