1383493685 has 24 divisors (see below), whose sum is σ = 1942094880. Its totient is φ = 943351584.

The previous prime is 1383493681. The next prime is 1383493693. The reversal of 1383493685 is 5863943831.

1383493685 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1383493685 - 2² = 1383493681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383493681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28082 + ... + 59628.

It is an arithmetic number, because the mean of its divisors is an integer number (80920620).

Almost surely, 2^1383493685 is an apocalyptic number.

It is an amenable number.

1383493685 is a deficient number, since it is larger than the sum of its proper divisors (558601195).

1383493685 is a wasteful number, since it uses less digits than its factorization.

1383493685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31745 (or 31738 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 1383493685 is about 37195.3449372364. The cubic root of 1383493685 is about 1114.2750178640.

The spelling of 1383493685 in words is "one billion, three hundred eighty-three million, four hundred ninety-three thousand, six hundred eighty-five".