3698618 has 48 divisors (see below), whose sum is σ = 7288704. Its totient is φ = 1391040.

The previous prime is 3698581. The next prime is 3698623. The reversal of 3698618 is 8168963.

It is a happy 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, 50630 + ... + 50702.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

Almost surely, 2^3698618 is an apocalyptic number.

3698618 is a deficient number, since it is larger than the sum of its proper divisors (3590086).

3698618 is a wasteful number, since it uses less digits than its factorization.

3698618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 140 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 3698618 is about 1923.1791388220. The cubic root of 3698618 is about 154.6487781118.

The spelling of 3698618 in words is "three million, six hundred ninety-eight thousand, six hundred eighteen".