231697794 has 32 divisors (see below), whose sum is σ = 496186560. Its totient is φ = 71869952.

The previous prime is 231697793. The next prime is 231697841. The reversal of 231697794 is 497796132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231697793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3684 + ... + 21839.

It is an arithmetic number, because the mean of its divisors is an integer number (15505830).

Almost surely, 2^231697794 is an apocalyptic number.

231697794 is an abundant number, since it is smaller than the sum of its proper divisors (264488766).

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

231697794 is a wasteful number, since it uses less digits than its factorization.

231697794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25634.

The product of its digits is 571536, while the sum is 48.

The square root of 231697794 is about 15221.6225810523. The cubic root of 231697794 is about 614.1964467414.

The spelling of 231697794 in words is "two hundred thirty-one million, six hundred ninety-seven thousand, seven hundred ninety-four".