3868478 has 8 divisors (see below), whose sum is σ = 5857272. Its totient is φ = 1916056.

The previous prime is 3868477. The next prime is 3868481. The reversal of 3868478 is 8748683.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868477) by changing a digit.

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, 8825 + ... + 9252.

It is an arithmetic number, because the mean of its divisors is an integer number (732159).

Almost surely, 2^3868478 is an apocalyptic number.

3868478 is a deficient number, since it is larger than the sum of its proper divisors (1988794).

3868478 is a wasteful number, since it uses less digits than its factorization.

3868478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186.

The product of its digits is 258048, while the sum is 44.

The square root of 3868478 is about 1966.8446812090. The cubic root of 3868478 is about 156.9808623406.

The spelling of 3868478 in words is "three million, eight hundred sixty-eight thousand, four hundred seventy-eight".