3878122 has 8 divisors (see below), whose sum is σ = 6070176. Its totient is φ = 1854732.

The previous prime is 3878113. The next prime is 3878137. The reversal of 3878122 is 2218783.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42108 + ... + 42199.

It is an arithmetic number, because the mean of its divisors is an integer number (758772).

Almost surely, 2^3878122 is an apocalyptic number.

3878122 is a deficient number, since it is larger than the sum of its proper divisors (2192054).

3878122 is a wasteful number, since it uses less digits than its factorization.

3878122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84332.

The product of its digits is 5376, while the sum is 31.

The square root of 3878122 is about 1969.2947976370. The cubic root of 3878122 is about 157.1112036205. Note that the first 3 decimals are identical.

The spelling of 3878122 in words is "three million, eight hundred seventy-eight thousand, one hundred twenty-two".