3684878 has 8 divisors (see below), whose sum is σ = 5631768. Its totient is φ = 1807624.

The previous prime is 3684871. The next prime is 3684881. The reversal of 3684878 is 8784863.

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 (3684871) 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, 17276 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (703971).

Almost surely, 2^3684878 is an apocalyptic number.

3684878 is a deficient number, since it is larger than the sum of its proper divisors (1946890).

3684878 is a wasteful number, since it uses less digits than its factorization.

3684878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34818.

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

The square root of 3684878 is about 1919.6036049143. The cubic root of 3684878 is about 154.4570388470.

The spelling of 3684878 in words is "three million, six hundred eighty-four thousand, eight hundred seventy-eight".