1383489456 has 80 divisors (see below), whose sum is σ = 3631267584. Its totient is φ = 453836032.

The previous prime is 1383489449. The next prime is 1383489467. The reversal of 1383489456 is 6549843831.

It is a junction number, because it is equal to n+sod(n) for n = 1383489399 and 1383489408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856906 + ... + 858518.

Almost surely, 2^1383489456 is an apocalyptic number.

1383489456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383489456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815633792).

1383489456 is an abundant number, since it is smaller than the sum of its proper divisors (2247778128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383489456 is a wasteful number, since it uses less digits than its factorization.

1383489456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1892 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 1383489456 is about 37195.2880886813. The cubic root of 1383489456 is about 1114.2738825080.

The spelling of 1383489456 in words is "one billion, three hundred eighty-three million, four hundred eighty-nine thousand, four hundred fifty-six".