1383489399 has 16 divisors (see below), whose sum is σ = 1991232000. Its totient is φ = 851802336.

The previous prime is 1383489391. The next prime is 1383489413. The reversal of 1383489399 is 9939843831.

It is not a de Polignac number, because 1383489399 - 2³ = 1383489391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383489391) 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, 343699 + ... + 347700.

It is an arithmetic number, because the mean of its divisors is an integer number (124452000).

Almost surely, 2^1383489399 is an apocalyptic number.

1383489399 is a deficient number, since it is larger than the sum of its proper divisors (607742601).

1383489399 is a wasteful number, since it uses less digits than its factorization.

1383489399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691454.

The product of its digits is 5038848, while the sum is 57.

The square root of 1383489399 is about 37195.2873224552. The cubic root of 1383489399 is about 1114.2738672052.

The spelling of 1383489399 in words is "one billion, three hundred eighty-three million, four hundred eighty-nine thousand, three hundred ninety-nine".