231667448 has 8 divisors (see below), whose sum is σ = 434376480. Its totient is φ = 115833720.

The previous prime is 231667439. The next prime is 231667489. The reversal of 231667448 is 844766132.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14479208 + ... + 14479223.

It is an arithmetic number, because the mean of its divisors is an integer number (54297060).

Almost surely, 2^231667448 is an apocalyptic number.

It is an amenable number.

231667448 is a deficient number, since it is larger than the sum of its proper divisors (202709032).

231667448 is a wasteful number, since it uses less digits than its factorization.

231667448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28958437 (or 28958433 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 231667448 is about 15220.6257427216. The cubic root of 231667448 is about 614.1696313241.

The spelling of 231667448 in words is "two hundred thirty-one million, six hundred sixty-seven thousand, four hundred forty-eight".