1383717552 has 80 divisors (see below), whose sum is σ = 4092476160. Its totient is φ = 394649856.

The previous prime is 1383717551. The next prime is 1383717557. The reversal of 1383717552 is 2557173831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1383717551) 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, 204658 + ... + 211310.

It is an arithmetic number, because the mean of its divisors is an integer number (51155952).

Almost surely, 2^1383717552 is an apocalyptic number.

1383717552 is a gapful number since it is divisible by the number (12) 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 1383717552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046238080).

1383717552 is an abundant number, since it is smaller than the sum of its proper divisors (2708758608).

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

1383717552 is a wasteful number, since it uses less digits than its factorization.

1383717552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290 (or 7284 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 1383717552 is about 37198.3541571398. The cubic root of 1383717552 is about 1114.3351159463.

The spelling of 1383717552 in words is "one billion, three hundred eighty-three million, seven hundred seventeen thousand, five hundred fifty-two".