344431 has 4 divisors (see below), whose sum is σ = 346864. Its totient is φ = 342000.

The previous prime is 344429. The next prime is 344453. The reversal of 344431 is 134443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344431 - 2¹ = 344429 is a prime.

It is a super-2 number, since 2×344431² = 237265427522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344399 and 344408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344231) 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, 990 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (86716).

2³⁴⁴⁴³¹ is an apocalyptic number.

344431 is a deficient number, since it is larger than the sum of its proper divisors (2433).

344431 is a wasteful number, since it uses less digits than its factorization.

344431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its digits is 576, while the sum is 19.

The square root of 344431 is about 586.8824413799. The cubic root of 344431 is about 70.0972118742.

Adding to 344431 its reverse (134443), we get a palindrome (478874).

It can be divided in two parts, 34 and 4431, that added together give a triangular number (4465 = T₉₄).

The spelling of 344431 in words is "three hundred forty-four thousand, four hundred thirty-one".