3878922 has 16 divisors (see below), whose sum is σ = 7852320. Its totient is φ = 1277232.

The previous prime is 3878921. The next prime is 3878923. The reversal of 3878922 is 2298783.

It is an interprime number because it is at equal distance from previous prime (3878921) and next prime (3878923).

It is not an unprimeable number, because it can be changed into a prime (3878921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3397 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (490770).

Almost surely, 2^3878922 is an apocalyptic number.

3878922 is an abundant number, since it is smaller than the sum of its proper divisors (3973398).

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

3878922 is a wasteful number, since it uses less digits than its factorization.

3878922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877.

The product of its digits is 48384, while the sum is 39.

The square root of 3878922 is about 1969.4979055587. The cubic root of 3878922 is about 157.1220061276.

It can be divided in two parts, 38789 and 22, that multiplied together give a palindrome (853358).

The spelling of 3878922 in words is "three million, eight hundred seventy-eight thousand, nine hundred twenty-two".