1383697788 has 24 divisors (see below), whose sum is σ = 3522140160. Its totient is φ = 419302320.

The previous prime is 1383697727. The next prime is 1383697789. The reversal of 1383697788 is 8877963831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383697789) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5241148 + ... + 5241411.

It is an arithmetic number, because the mean of its divisors is an integer number (146755840).

Almost surely, 2^1383697788 is an apocalyptic number.

It is an amenable number.

1383697788 is an abundant number, since it is smaller than the sum of its proper divisors (2138442372).

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

1383697788 is a wasteful number, since it uses less digits than its factorization.

1383697788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10482577 (or 10482575 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The square root of 1383697788 is about 37198.0884992764. The cubic root of 1383697788 is about 1114.3298104743.

The spelling of 1383697788 in words is "one billion, three hundred eighty-three million, six hundred ninety-seven thousand, seven hundred eighty-eight".