383966847 has 24 divisors (see below), whose sum is σ = 609822720. Its totient is φ = 230867280.

The previous prime is 383966827. The next prime is 383966857. The reversal of 383966847 is 748669383.

It is not a de Polignac number, because 383966847 - 2⁸ = 383966591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 383966793 and 383966802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383966827) 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, 2697 + ... + 27842.

It is an arithmetic number, because the mean of its divisors is an integer number (25409280).

Almost surely, 2^383966847 is an apocalyptic number.

383966847 is a deficient number, since it is larger than the sum of its proper divisors (225855873).

383966847 is a wasteful number, since it uses less digits than its factorization.

383966847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30683 (or 30680 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 383966847 is about 19595.0720080330. The cubic root of 383966847 is about 726.8273188229.

The spelling of 383966847 in words is "three hundred eighty-three million, nine hundred sixty-six thousand, eight hundred forty-seven".