431944 has 8 divisors (see below), whose sum is σ = 809910. Its totient is φ = 215968.

The previous prime is 431933. The next prime is 431947. The reversal of 431944 is 449134.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 191844 = 490^2 + 438^2 .

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

It is not an unprimeable number, because it can be changed into a prime (431947) by changing a digit.

431944 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 as a sum of consecutive naturals, namely, 26989 + ... + 27004.

2⁴³¹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

431944 is a deficient number, since it is larger than the sum of its proper divisors (377966).

431944 is a wasteful number, since it uses less digits than its factorization.

431944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53999 (or 53995 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 431944 is about 657.2244669822. The cubic root of 431944 is about 75.5919963906.

It can be divided in two parts, 4319 and 44, that multiplied together give a triangular number (190036 = T₆₁₆).

The spelling of 431944 in words is "four hundred thirty-one thousand, nine hundred forty-four".