382861943 has 4 divisors (see below), whose sum is σ = 386440200. Its totient is φ = 379283688.

The previous prime is 382861939. The next prime is 382861991. The reversal of 382861943 is 349168283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349168283 = 31 ⋅11263493.

It is a cyclic number.

It is not a de Polignac number, because 382861943 - 2² = 382861939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382861894 and 382861903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382861043) 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, 1788968 + ... + 1789181.

It is an arithmetic number, because the mean of its divisors is an integer number (96610050).

Almost surely, 2^382861943 is an apocalyptic number.

382861943 is a deficient number, since it is larger than the sum of its proper divisors (3578257).

382861943 is a wasteful number, since it uses less digits than its factorization.

382861943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578256.

The product of its digits is 248832, while the sum is 44.

The square root of 382861943 is about 19566.8582812878. The cubic root of 382861943 is about 726.1294756265.

The spelling of 382861943 in words is "three hundred eighty-two million, eight hundred sixty-one thousand, nine hundred forty-three".