1383847 has 4 divisors (see below), whose sum is σ = 1390120. Its totient is φ = 1377576.

The previous prime is 1383829. The next prime is 1383853. The reversal of 1383847 is 7483831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7483831 = 109 ⋅68659.

It is a cyclic number.

It is not a de Polignac number, because 1383847 - 2¹⁵ = 1351079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2793 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (347530).

2^1383847 is an apocalyptic number.

1383847 is a deficient number, since it is larger than the sum of its proper divisors (6273).

1383847 is an equidigital number, since it uses as much as digits as its factorization.

1383847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272.

The product of its digits is 16128, while the sum is 34.

The square root of 1383847 is about 1176.3702648401. The cubic root of 1383847 is about 111.4369863874.

The spelling of 1383847 in words is "one million, three hundred eighty-three thousand, eight hundred forty-seven".