1344435399 has 12 divisors (see below), whose sum is σ = 2026395696. Its totient is φ = 857320992.

The previous prime is 1344435359. The next prime is 1344435403. The reversal of 1344435399 is 9935344431.

It is a happy number.

It is not a de Polignac number, because 1344435399 - 2⁸ = 1344435143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344435319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3247222 + ... + 3247635.

It is an arithmetic number, because the mean of its divisors is an integer number (168866308).

Almost surely, 2^1344435399 is an apocalyptic number.

1344435399 is a deficient number, since it is larger than the sum of its proper divisors (681960297).

1344435399 is a wasteful number, since it uses less digits than its factorization.

1344435399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494886 (or 6494883 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 1344435399 is about 36666.5433194895. The cubic root of 1344435399 is about 1103.6888276095.

The spelling of 1344435399 in words is "one billion, three hundred forty-four million, four hundred thirty-five thousand, three hundred ninety-nine".