3867478 has 8 divisors (see below), whose sum is σ = 5822568. Its totient is φ = 1926624.

The previous prime is 3867443. The next prime is 3867481. The reversal of 3867478 is 8747683.

3867478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2851 + ... + 3982.

It is an arithmetic number, because the mean of its divisors is an integer number (727821).

Almost surely, 2^3867478 is an apocalyptic number.

3867478 is a deficient number, since it is larger than the sum of its proper divisors (1955090).

3867478 is a wasteful number, since it uses less digits than its factorization.

3867478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118.

The product of its digits is 225792, while the sum is 43.

The square root of 3867478 is about 1966.5904505006. The cubic root of 3867478 is about 156.9673346784.

The spelling of 3867478 in words is "three million, eight hundred sixty-seven thousand, four hundred seventy-eight".