431674 has 8 divisors (see below), whose sum is σ = 654228. Its totient is φ = 213600.

The previous prime is 431671. The next prime is 431693. The reversal of 431674 is 476134.

It can be written as a sum of positive squares in 2 ways, for example, as 431649 + 25 = 657^2 + 5^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867 + ... + 1270.

2⁴³¹⁶⁷⁴ is an apocalyptic number.

431674 is a deficient number, since it is larger than the sum of its proper divisors (222554).

431674 is a wasteful number, since it uses less digits than its factorization.

431674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240.

The product of its digits is 2016, while the sum is 25.

The square root of 431674 is about 657.0190255997. The cubic root of 431674 is about 75.5762427334.

Subtracting from 431674 its sum of digits (25), we obtain a square (431649 = 657²).

The spelling of 431674 in words is "four hundred thirty-one thousand, six hundred seventy-four".