232657488 has 240 divisors, whose sum is σ = 805752000. Its totient is φ = 64012032.

The previous prime is 232657487. The next prime is 232657499. The reversal of 232657488 is 884756232.

Its product of digits (645120) is a multiple of the sum of its prime divisors (420).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232657487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 613683 + ... + 614061.

It is an arithmetic number, because the mean of its divisors is an integer number (3357300).

Almost surely, 2^232657488 is an apocalyptic number.

232657488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232657488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402876000).

232657488 is an abundant number, since it is smaller than the sum of its proper divisors (573094512).

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

232657488 is a wasteful number, since it uses less digits than its factorization.

232657488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 420 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 232657488 is about 15253.1140427127. The cubic root of 232657488 is about 615.0432807137.

The spelling of 232657488 in words is "two hundred thirty-two million, six hundred fifty-seven thousand, four hundred eighty-eight".