231489392 has 10 divisors (see below), whose sum is σ = 448510728. Its totient is φ = 115744688.

The previous prime is 231489383. The next prime is 231489421. The reversal of 231489392 is 293984132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7234028 + ... + 7234059.

Almost surely, 2^231489392 is an apocalyptic number.

It is an amenable number.

231489392 is a deficient number, since it is larger than the sum of its proper divisors (217021336).

231489392 is a wasteful number, since it uses less digits than its factorization.

231489392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14468095 (or 14468089 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 231489392 is about 15214.7754501997. The cubic root of 231489392 is about 614.0122439176.

The spelling of 231489392 in words is "two hundred thirty-one million, four hundred eighty-nine thousand, three hundred ninety-two".