232658432 has 60 divisors (see below), whose sum is σ = 486518340. Its totient is φ = 111141888.

The previous prime is 232658431. The next prime is 232658471. The reversal of 232658432 is 234856232.

It is a junction number, because it is equal to n+sod(n) for n = 232658392 and 232658401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232658431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270419 + ... + 271277.

It is an arithmetic number, because the mean of its divisors is an integer number (8108639).

Almost surely, 2^232658432 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 232658432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243259170).

232658432 is an abundant number, since it is smaller than the sum of its proper divisors (253859908).

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

232658432 is an frugal number, since it uses more digits than its factorization.

232658432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 884 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 232658432 is about 15253.1449871822. The cubic root of 232658432 is about 615.0441125518.

The spelling of 232658432 in words is "two hundred thirty-two million, six hundred fifty-eight thousand, four hundred thirty-two".