1383766845 has 8 divisors (see below), whose sum is σ = 2214026976. Its totient is φ = 738008976.

The previous prime is 1383766831. The next prime is 1383766847. The reversal of 1383766845 is 5486673831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1383766845 - 2⁴ = 1383766829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383766847) 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, 46125547 + ... + 46125576.

It is an arithmetic number, because the mean of its divisors is an integer number (276753372).

Almost surely, 2^1383766845 is an apocalyptic number.

1383766845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1383766845 is a deficient number, since it is larger than the sum of its proper divisors (830260131).

1383766845 is an equidigital number, since it uses as much as digits as its factorization.

1383766845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92251131.

The product of its digits is 2903040, while the sum is 51.

The square root of 1383766845 is about 37199.0167208758. The cubic root of 1383766845 is about 1114.3483479985.

The spelling of 1383766845 in words is "one billion, three hundred eighty-three million, seven hundred sixty-six thousand, eight hundred forty-five".