431090 has 16 divisors (see below), whose sum is σ = 846720. Its totient is φ = 156720.

The previous prime is 431083. The next prime is 431099. The reversal of 431090 is 90134.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁴³¹⁰⁹⁰ is an apocalyptic number.

431090 is a deficient number, since it is larger than the sum of its proper divisors (415630).

431090 is a wasteful number, since it uses less digits than its factorization.

431090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 431090 is about 656.5744436086. The cubic root of 431090 is about 75.5421456721.

The spelling of 431090 in words is "four hundred thirty-one thousand, ninety".