433998 has 48 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 134136.

The previous prime is 433981. The next prime is 434009. The reversal of 433998 is 899334.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

433998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9211 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2⁴³³⁹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 433998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524160).

433998 is an abundant number, since it is smaller than the sum of its proper divisors (614322).

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

433998 is a wasteful number, since it uses less digits than its factorization.

433998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 71 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 433998 is about 658.7852457364. The cubic root of 433998 is about 75.7116264810.

It can be divided in two parts, 433 and 998, that added together give a triangular number (1431 = T₅₃).

The spelling of 433998 in words is "four hundred thirty-three thousand, nine hundred ninety-eight".