383867144 has 16 divisors (see below), whose sum is σ = 731551020. Its totient is φ = 188786880.

The previous prime is 383867131. The next prime is 383867161. The reversal of 383867144 is 441768383.

It can be written as a sum of positive squares in 2 ways, for example, as 260435044 + 123432100 = 16138^2 + 11110^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 383867095 and 383867104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392819 + ... + 393794.

Almost surely, 2^383867144 is an apocalyptic number.

It is an amenable number.

383867144 is a deficient number, since it is larger than the sum of its proper divisors (347683876).

383867144 is a wasteful number, since it uses less digits than its factorization.

383867144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786680 (or 786676 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 383867144 is about 19592.5277593270. The cubic root of 383867144 is about 726.7644026813.

The spelling of 383867144 in words is "three hundred eighty-three million, eight hundred sixty-seven thousand, one hundred forty-four".