231679384 has 8 divisors (see below), whose sum is σ = 434398860. Its totient is φ = 115839688.

The previous prime is 231679363. The next prime is 231679387. The reversal of 231679384 is 483976132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 231679384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231679387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14479954 + ... + 14479969.

Almost surely, 2^231679384 is an apocalyptic number.

It is an amenable number.

231679384 is a deficient number, since it is larger than the sum of its proper divisors (202719476).

231679384 is a wasteful number, since it uses less digits than its factorization.

231679384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28959929 (or 28959925 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 231679384 is about 15221.0178371882. The cubic root of 231679384 is about 614.1801789185.

The spelling of 231679384 in words is "two hundred thirty-one million, six hundred seventy-nine thousand, three hundred eighty-four".