3678018 has 32 divisors (see below), whose sum is σ = 7884864. Its totient is φ = 1139712.

The previous prime is 3678011. The next prime is 3678023. The reversal of 3678018 is 8108763.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3678018.

It is not an unprimeable number, because it can be changed into a prime (3678011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10746 + ... + 11082.

It is an arithmetic number, because the mean of its divisors is an integer number (246402).

Almost surely, 2^3678018 is an apocalyptic number.

3678018 is an abundant number, since it is smaller than the sum of its proper divisors (4206846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3678018 is a wasteful number, since it uses less digits than its factorization.

3678018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 3678018 is about 1917.8159452878. The cubic root of 3678018 is about 154.3611303356.

It can be divided in two parts, 367 and 8018, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 3678018 in words is "three million, six hundred seventy-eight thousand, eighteen".