3678418 has 8 divisors (see below), whose sum is σ = 5707980. Its totient is φ = 1775760.

The previous prime is 3678407. The next prime is 3678431. The reversal of 3678418 is 8148763.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3560769 + 117649 = 1887^2 + 343^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31653 + ... + 31768.

Almost surely, 2^3678418 is an apocalyptic number.

3678418 is a deficient number, since it is larger than the sum of its proper divisors (2029562).

3678418 is a wasteful number, since it uses less digits than its factorization.

3678418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63452.

The product of its digits is 32256, while the sum is 37.

The square root of 3678418 is about 1917.9202277467. The cubic root of 3678418 is about 154.3667259412.

It can be divided in two parts, 3678 and 418, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3678418 in words is "three million, six hundred seventy-eight thousand, four hundred eighteen".