433980 has 36 divisors (see below), whose sum is σ = 1316952. Its totient is φ = 115680.

The previous prime is 433967. The next prime is 433981. The reversal of 433980 is 89334.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1026 + ... + 1385.

It is an arithmetic number, because the mean of its divisors is an integer number (36582).

2⁴³³⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

433980 is an abundant number, since it is smaller than the sum of its proper divisors (882972).

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

433980 is a wasteful number, since it uses less digits than its factorization.

433980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 433980 is about 658.7715840866. The cubic root of 433980 is about 75.7105797572.

The spelling of 433980 in words is "four hundred thirty-three thousand, nine hundred eighty".