993432 has 64 divisors (see below), whose sum is σ = 2799360. Its totient is φ = 291200.

The previous prime is 993431. The next prime is 993437. The reversal of 993432 is 234399.

It is a self number, because there is not a number n which added to its sum of digits gives 993432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13957 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁹⁹³⁴³² 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 993432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399680).

993432 is an abundant number, since it is smaller than the sum of its proper divisors (1805928).

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

993432 is a wasteful number, since it uses less digits than its factorization.

993432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 140 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 993432 is about 996.7105898906. The cubic root of 993432 is about 99.7805855919.

The spelling of 993432 in words is "nine hundred ninety-three thousand, four hundred thirty-two".