3680418 has 16 divisors (see below), whose sum is σ = 8412480. Its totient is φ = 1051536.

The previous prime is 3680407. The next prime is 3680431. The reversal of 3680418 is 8140863.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43773 + ... + 43856.

It is an arithmetic number, because the mean of its divisors is an integer number (525780).

Almost surely, 2^3680418 is an apocalyptic number.

3680418 is an abundant number, since it is smaller than the sum of its proper divisors (4732062).

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

3680418 is a wasteful number, since it uses less digits than its factorization.

3680418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87641.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 3680418 is about 1918.4415550128. The cubic root of 3680418 is about 154.3946978859.

The spelling of 3680418 in words is "three million, six hundred eighty thousand, four hundred eighteen".