1344631 has 4 divisors (see below), whose sum is σ = 1351792. Its totient is φ = 1337472.

The previous prime is 1344601. The next prime is 1344641. The reversal of 1344631 is 1364431.

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 1344631 - 2⁵ = 1344599 is a prime.

It is a super-2 number, since 2×1344631² = 3616065052322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344601) 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, 3291 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (337948).

2^1344631 is an apocalyptic number.

1344631 is a deficient number, since it is larger than the sum of its proper divisors (7161).

1344631 is an equidigital number, since it uses as much as digits as its factorization.

1344631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its digits is 864, while the sum is 22.

The square root of 1344631 is about 1159.5822523650. The cubic root of 1344631 is about 110.3742349995.

It can be divided in two parts, 13 and 44631, that added together give a palindrome (44644).

The spelling of 1344631 in words is "one million, three hundred forty-four thousand, six hundred thirty-one".