231769086 has 16 divisors (see below), whose sum is σ = 464235024. Its totient is φ = 77140224.

The previous prime is 231769009. The next prime is 231769093. The reversal of 231769086 is 680967132.

It is a happy number.

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, 24661 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (29014689).

Almost surely, 2^231769086 is an apocalyptic number.

231769086 is an abundant number, since it is smaller than the sum of its proper divisors (232465938).

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

231769086 is a wasteful number, since it uses less digits than its factorization.

231769086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58075.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 231769086 is about 15223.9642012191. The cubic root of 231769086 is about 614.2594351167.

The spelling of 231769086 in words is "two hundred thirty-one million, seven hundred sixty-nine thousand, eighty-six".