432090 has 24 divisors (see below), whose sum is σ = 1123668. Its totient is φ = 115200.

The previous prime is 432073. The next prime is 432097. The reversal of 432090 is 90234.

432090 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 2 ways, for example, as 431649 + 441 = 657^2 + 21^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (432097) 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, 2311 + ... + 2490.

2⁴³²⁰⁹⁰ is an apocalyptic number.

432090 is an abundant number, since it is smaller than the sum of its proper divisors (691578).

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

432090 is a wasteful number, since it uses less digits than its factorization.

432090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 432090 is about 657.3355307604. The cubic root of 432090 is about 75.6005123002.

The spelling of 432090 in words is "four hundred thirty-two thousand, ninety".