1324449399 has 16 divisors (see below), whose sum is σ = 2173455872. Its totient is φ = 698610528.

The previous prime is 1324449361. The next prime is 1324449409. The reversal of 1324449399 is 9939444231.

It is not a de Polignac number, because 1324449399 - 2⁹ = 1324448887 is a prime.

It is a super-2 number, since 2×1324449399² = 3508332421022922402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324459399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425459 + ... + 2426004.

It is an arithmetic number, because the mean of its divisors is an integer number (135840992).

Almost surely, 2^1324449399 is an apocalyptic number.

1324449399 is a deficient number, since it is larger than the sum of its proper divisors (849006473).

1324449399 is a wasteful number, since it uses less digits than its factorization.

1324449399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851486.

The product of its digits is 839808, while the sum is 48.

The square root of 1324449399 is about 36392.9855741460. The cubic root of 1324449399 is about 1098.1924581600.

The spelling of 1324449399 in words is "one billion, three hundred twenty-four million, four hundred forty-nine thousand, three hundred ninety-nine".