381382332 has 12 divisors (see below), whose sum is σ = 889892136. Its totient is φ = 127127440.

The previous prime is 381382321. The next prime is 381382333. The reversal of 381382332 is 233283183.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 381382293 and 381382302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381382333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15890919 + ... + 15890942.

It is an arithmetic number, because the mean of its divisors is an integer number (74157678).

Almost surely, 2^381382332 is an apocalyptic number.

It is an amenable number.

381382332 is an abundant number, since it is smaller than the sum of its proper divisors (508509804).

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

381382332 is a wasteful number, since it uses less digits than its factorization.

381382332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781868 (or 31781866 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 381382332 is about 19529.0125710441. The cubic root of 381382332 is about 725.1928663264.

It can be divided in two parts, 38138 and 2332, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 381382332 in words is "three hundred eighty-one million, three hundred eighty-two thousand, three hundred thirty-two".