380843982 has 24 divisors (see below), whose sum is σ = 861039504. Its totient is φ = 121428384.

The previous prime is 380843977. The next prime is 380843987. The reversal of 380843982 is 289348083.

It is an interprime number because it is at equal distance from previous prime (380843977) and next prime (380843987).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380843987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459543 + ... + 460370.

It is an arithmetic number, because the mean of its divisors is an integer number (35876646).

Almost surely, 2^380843982 is an apocalyptic number.

380843982 is an abundant number, since it is smaller than the sum of its proper divisors (480195522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380843982 is a wasteful number, since it uses less digits than its factorization.

380843982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919944 (or 919941 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 380843982 is about 19515.2243645826. The cubic root of 380843982 is about 724.8514841249.

The spelling of 380843982 in words is "three hundred eighty million, eight hundred forty-three thousand, nine hundred eighty-two".