231684897 has 8 divisors (see below), whose sum is σ = 311271840. Its totient is φ = 153277280.

The previous prime is 231684883. The next prime is 231684907. The reversal of 231684897 is 798486132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231684897 - 2⁴ = 231684881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231684097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294372 + ... + 295157.

It is an arithmetic number, because the mean of its divisors is an integer number (38908980).

Almost surely, 2^231684897 is an apocalyptic number.

It is an amenable number.

231684897 is a deficient number, since it is larger than the sum of its proper divisors (79586943).

231684897 is a wasteful number, since it uses less digits than its factorization.

231684897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589663.

The product of its digits is 580608, while the sum is 48.

The square root of 231684897 is about 15221.1989343810. The cubic root of 231684897 is about 614.1850505193.

The spelling of 231684897 in words is "two hundred thirty-one million, six hundred eighty-four thousand, eight hundred ninety-seven".