3684378 has 8 divisors (see below), whose sum is σ = 7368768. Its totient is φ = 1228124.

The previous prime is 3684371. The next prime is 3684389. The reversal of 3684378 is 8734863.

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

3684378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3684371) 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, 307026 + ... + 307037.

It is an arithmetic number, because the mean of its divisors is an integer number (921096).

Almost surely, 2^3684378 is an apocalyptic number.

3684378 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.

3684378 is a wasteful number, since it uses less digits than its factorization.

3684378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614068.

The product of its digits is 96768, while the sum is 39.

The square root of 3684378 is about 1919.4733652750. The cubic root of 3684378 is about 154.4500524545.

The spelling of 3684378 in words is "three million, six hundred eighty-four thousand, three hundred seventy-eight".