1383249456 has 120 divisors (see below), whose sum is σ = 3994664960. Its totient is φ = 446560128.

The previous prime is 1383249449. The next prime is 1383249493. The reversal of 1383249456 is 6549423831.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785505 + ... + 787263.

Almost surely, 2^1383249456 is an apocalyptic number.

1383249456 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 1383249456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997332480).

1383249456 is an abundant number, since it is smaller than the sum of its proper divisors (2611415504).

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

1383249456 is a wasteful number, since it uses less digits than its factorization.

1383249456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1934 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 1383249456 is about 37192.0617336549. The cubic root of 1383249456 is about 1114.2094461183.

The spelling of 1383249456 in words is "one billion, three hundred eighty-three million, two hundred forty-nine thousand, four hundred fifty-six".