431064 has 24 divisors (see below), whose sum is σ = 1167660. Its totient is φ = 143664.

The previous prime is 431063. The next prime is 431077. The reversal of 431064 is 460134.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2922 + ... + 3065.

2⁴³¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

431064 is an abundant number, since it is smaller than the sum of its proper divisors (736596).

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

431064 is a wasteful number, since it uses less digits than its factorization.

431064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999 (or 5992 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 431064 is about 656.5546435751. The cubic root of 431064 is about 75.5406269365.

Adding to 431064 its reverse (460134), we get a palindrome (891198).

The spelling of 431064 in words is "four hundred thirty-one thousand, sixty-four".