231469838 has 16 divisors (see below), whose sum is σ = 362702880. Its totient is φ = 110580096.

The previous prime is 231469831. The next prime is 231469867. The reversal of 231469838 is 838964132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231469831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49706 + ... + 54162.

It is an arithmetic number, because the mean of its divisors is an integer number (22668930).

Almost surely, 2^231469838 is an apocalyptic number.

231469838 is a deficient number, since it is larger than the sum of its proper divisors (131233042).

231469838 is a wasteful number, since it uses less digits than its factorization.

231469838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611.

The product of its digits is 248832, while the sum is 44.

The square root of 231469838 is about 15214.1328375954. The cubic root of 231469838 is about 613.9949548122.

The spelling of 231469838 in words is "two hundred thirty-one million, four hundred sixty-nine thousand, eight hundred thirty-eight".