1383494680 has 32 divisors (see below), whose sum is σ = 3295974240. Its totient is φ = 520844800.

The previous prime is 1383494627. The next prime is 1383494683. The reversal of 1383494680 is 864943831.

It is a self number, because there is not a number n which added to its sum of digits gives 1383494680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383494683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016596 + ... + 1017955.

It is an arithmetic number, because the mean of its divisors is an integer number (102999195).

Almost surely, 2^1383494680 is an apocalyptic number.

1383494680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383494680 is an abundant number, since it is smaller than the sum of its proper divisors (1912479560).

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

1383494680 is a wasteful number, since it uses less digits than its factorization.

1383494680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034579 (or 2034575 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 1383494680 is about 37195.3583125637. The cubic root of 1383494680 is about 1114.2752849905.

The spelling of 1383494680 in words is "one billion, three hundred eighty-three million, four hundred ninety-four thousand, six hundred eighty".