433940 has 24 divisors (see below), whose sum is σ = 981960. Its totient is φ = 160128.

The previous prime is 433931. The next prime is 433943. The reversal of 433940 is 49334.

433940 = T₂₃₃ + T₂₃₄ + ... + T₂₄₇.

433940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8836 + 425104 = 94^2 + 652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575 + ... + 1094.

It is an arithmetic number, because the mean of its divisors is an integer number (40915).

2⁴³³⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

433940 is an abundant number, since it is smaller than the sum of its proper divisors (548020).

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

433940 is a wasteful number, since it uses less digits than its factorization.

433940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 433940 is about 658.7412238505. The cubic root of 433940 is about 75.7082536007.

The spelling of 433940 in words is "four hundred thirty-three thousand, nine hundred forty".