3878382 has 8 divisors (see below), whose sum is σ = 7756776. Its totient is φ = 1292792.

The previous prime is 3878359. The next prime is 3878389. The reversal of 3878382 is 2838783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3878382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3878382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878389) 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, 323193 + ... + 323204.

It is an arithmetic number, because the mean of its divisors is an integer number (969597).

Almost surely, 2^3878382 is an apocalyptic number.

3878382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3878382 is a wasteful number, since it uses less digits than its factorization.

3878382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646402.

The product of its digits is 64512, while the sum is 39.

The square root of 3878382 is about 1969.3608100092. The cubic root of 3878382 is about 157.1147145982.

The spelling of 3878382 in words is "three million, eight hundred seventy-eight thousand, three hundred eighty-two".