1383657696 has 72 divisors (see below), whose sum is σ = 3960959184. Its totient is φ = 458150400.

The previous prime is 1383657683. The next prime is 1383657701. The reversal of 1383657696 is 6967563831.

1383657696 is a `hidden beast` number, since 1 + 38 + 36 + 576 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27580 + ... + 59396.

It is an arithmetic number, because the mean of its divisors is an integer number (55013322).

Almost surely, 2^1383657696 is an apocalyptic number.

1383657696 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 1383657696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980479592).

1383657696 is an abundant number, since it is smaller than the sum of its proper divisors (2577301488).

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

1383657696 is a wasteful number, since it uses less digits than its factorization.

1383657696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31984 (or 31973 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 1383657696 is about 37197.5495967140. The cubic root of 1383657696 is about 1114.3190479744.

The spelling of 1383657696 in words is "one billion, three hundred eighty-three million, six hundred fifty-seven thousand, six hundred ninety-six".