3878606 has 4 divisors (see below), whose sum is σ = 5817912. Its totient is φ = 1939302.

The previous prime is 3878597. The next prime is 3878617. The reversal of 3878606 is 6068783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6068783 = 7 ⋅866969.

It is a self number, because there is not a number n which added to its sum of digits gives 3878606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969650 + ... + 969653.

It is an arithmetic number, because the mean of its divisors is an integer number (1454478).

Almost surely, 2^3878606 is an apocalyptic number.

3878606 is a deficient number, since it is larger than the sum of its proper divisors (1939306).

3878606 is a wasteful number, since it uses less digits than its factorization.

3878606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939305.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 3878606 is about 1969.4176804325. The cubic root of 3878606 is about 157.1177393148.

The spelling of 3878606 in words is "three million, eight hundred seventy-eight thousand, six hundred six".