231458472 has 192 divisors, whose sum is σ = 756362880. Its totient is φ = 64945152.

The previous prime is 231458471. The next prime is 231458497. The reversal of 231458472 is 274854132.

It is a happy number.

231458472 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 584 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231458471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 993268 + ... + 993500.

It is an arithmetic number, because the mean of its divisors is an integer number (3939390).

Almost surely, 2^231458472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231458472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378181440).

231458472 is an abundant number, since it is smaller than the sum of its proper divisors (524904408).

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

231458472 is a wasteful number, since it uses less digits than its factorization.

231458472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 318 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 231458472 is about 15213.7592987401. The cubic root of 231458472 is about 613.9849048622.

The spelling of 231458472 in words is "two hundred thirty-one million, four hundred fifty-eight thousand, four hundred seventy-two".