1383604992 has 324 divisors, whose sum is σ = 5018387920. Its totient is φ = 358871040.

The previous prime is 1383604987. The next prime is 1383605009. The reversal of 1383604992 is 2994063831.

It is a happy number.

1383604992 is a `hidden beast` number, since 1 + 38 + 3 + 604 + 9 + 9 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1951134 + ... + 1951842.

Almost surely, 2^1383604992 is an apocalyptic number.

1383604992 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 1383604992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509193960).

1383604992 is an abundant number, since it is smaller than the sum of its proper divisors (3634782928).

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

1383604992 is a wasteful number, since it uses less digits than its factorization.

1383604992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1383604992 is about 37196.8411562057. The cubic root of 1383604992 is about 1114.3048995288.

The spelling of 1383604992 in words is "one billion, three hundred eighty-three million, six hundred four thousand, nine hundred ninety-two".