3690918 has 48 divisors (see below), whose sum is σ = 9974016. Its totient is φ = 958320.

The previous prime is 3690899. The next prime is 3690923. The reversal of 3690918 is 8190963.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (207792).

Almost surely, 2^3690918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3690918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4987008).

3690918 is an abundant number, since it is smaller than the sum of its proper divisors (6283098).

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

3690918 is a wasteful number, since it uses less digits than its factorization.

3690918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3690918 is about 1921.1762022261. The cubic root of 3690918 is about 154.5413845840.

The spelling of 3690918 in words is "three million, six hundred ninety thousand, nine hundred eighteen".