382781132 has 12 divisors (see below), whose sum is σ = 687971760. Its totient is φ = 186217776.

The previous prime is 382781131. The next prime is 382781137. The reversal of 382781132 is 231187283.

It is a junction number, because it is equal to n+sod(n) for n = 382781092 and 382781101.

It is not an unprimeable number, because it can be changed into a prime (382781131) 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, 1293032 + ... + 1293327.

It is an arithmetic number, because the mean of its divisors is an integer number (57330980).

Almost surely, 2^382781132 is an apocalyptic number.

It is an amenable number.

382781132 is a deficient number, since it is larger than the sum of its proper divisors (305190628).

382781132 is a wasteful number, since it uses less digits than its factorization.

382781132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586400 (or 2586398 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 382781132 is about 19564.7931754977. The cubic root of 382781132 is about 726.0783837738.

The spelling of 382781132 in words is "three hundred eighty-two million, seven hundred eighty-one thousand, one hundred thirty-two".