1344321392 has 20 divisors (see below), whose sum is σ = 2629913520. Its totient is φ = 665634048.

The previous prime is 1344321389. The next prime is 1344321397. The reversal of 1344321392 is 2931234431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344321397) 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, 406217 + ... + 409512.

It is an arithmetic number, because the mean of its divisors is an integer number (131495676).

Almost surely, 2^1344321392 is an apocalyptic number.

It is an amenable number.

1344321392 is a deficient number, since it is larger than the sum of its proper divisors (1285592128).

1344321392 is a wasteful number, since it uses less digits than its factorization.

1344321392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815840 (or 815834 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 1344321392 is about 36664.9886403910. The cubic root of 1344321392 is about 1103.6576294304.

The spelling of 1344321392 in words is "one billion, three hundred forty-four million, three hundred twenty-one thousand, three hundred ninety-two".