431442 has 24 divisors (see below), whose sum is σ = 1020240. Its totient is φ = 130680.

The previous prime is 431441. The next prime is 431447. The reversal of 431442 is 244134.

431442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×431442² = 372284398728, which contains 22 as substring.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 431442.

It is not an unprimeable number, because it can be changed into a prime (431441) 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, 892 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (42510).

2⁴³¹⁴⁴² is an apocalyptic number.

431442 is an abundant number, since it is smaller than the sum of its proper divisors (588798).

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

431442 is a wasteful number, since it uses less digits than its factorization.

431442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2195 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 431442 is about 656.8424468623. The cubic root of 431442 is about 75.5627010095.

Adding to 431442 its reverse (244134), we get a palindrome (675576).

It can be divided in two parts, 4314 and 42, that added together give a square (4356 = 66²).

The spelling of 431442 in words is "four hundred thirty-one thousand, four hundred forty-two".