231605704 has 32 divisors (see below), whose sum is σ = 477951840. Its totient is φ = 104339200.

The previous prime is 231605701. The next prime is 231605719. The reversal of 231605704 is 407506132.

It is not an unprimeable number, because it can be changed into a prime (231605701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702 + ... + 21589.

It is an arithmetic number, because the mean of its divisors is an integer number (14935995).

Almost surely, 2^231605704 is an apocalyptic number.

It is an amenable number.

231605704 is an abundant number, since it is smaller than the sum of its proper divisors (246346136).

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

231605704 is a wasteful number, since it uses less digits than its factorization.

231605704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23421 (or 23417 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 231605704 is about 15218.5973072422. The cubic root of 231605704 is about 614.1150636532.

The spelling of 231605704 in words is "two hundred thirty-one million, six hundred five thousand, seven hundred four".