431676 has 48 divisors (see below), whose sum is σ = 1281280. Its totient is φ = 123120.

The previous prime is 431671. The next prime is 431693. The reversal of 431676 is 676134.

431676 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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

431676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471 + ... + 1041.

2⁴³¹⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640640).

431676 is an abundant number, since it is smaller than the sum of its proper divisors (849604).

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

431676 is a wasteful number, since it uses less digits than its factorization.

431676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 583 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 431676 is about 657.0205476239. The cubic root of 431676 is about 75.5763594513.

Subtracting from 431676 its sum of digits (27), we obtain a square (431649 = 657²).

The spelling of 431676 in words is "four hundred thirty-one thousand, six hundred seventy-six".