431608 has 8 divisors (see below), whose sum is σ = 809280. Its totient is φ = 215800.

The previous prime is 431603. The next prime is 431611. The reversal of 431608 is 806134.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431603) 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 as a sum of consecutive naturals, namely, 26968 + ... + 26983.

It is an arithmetic number, because the mean of its divisors is an integer number (101160).

2⁴³¹⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

431608 is a deficient number, since it is larger than the sum of its proper divisors (377672).

431608 is a wasteful number, since it uses less digits than its factorization.

431608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53957 (or 53953 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 431608 is about 656.9687968237. The cubic root of 431608 is about 75.5723908403.

The spelling of 431608 in words is "four hundred thirty-one thousand, six hundred eight".