231394396 has 24 divisors (see below), whose sum is σ = 418418784. Its totient is φ = 111908160.

The previous prime is 231394379. The next prime is 231394403. The reversal of 231394396 is 693493132.

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, 7366 + ... + 22738.

It is an arithmetic number, because the mean of its divisors is an integer number (17434116).

Almost surely, 2^231394396 is an apocalyptic number.

It is an amenable number.

231394396 is a deficient number, since it is larger than the sum of its proper divisors (187024388).

231394396 is a wasteful number, since it uses less digits than its factorization.

231394396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501 (or 15499 counting only the distinct ones).

The product of its digits is 104976, while the sum is 40.

The square root of 231394396 is about 15211.6532960753. The cubic root of 231394396 is about 613.9282419579.

The spelling of 231394396 in words is "two hundred thirty-one million, three hundred ninety-four thousand, three hundred ninety-six".