3665118 has 16 divisors (see below), whose sum is σ = 7387776. Its totient is φ = 1212120.

The previous prime is 3665117. The next prime is 3665131. The reversal of 3665118 is 8115663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (461736).

Almost surely, 2^3665118 is an apocalyptic number.

3665118 is an abundant number, since it is smaller than the sum of its proper divisors (3722658).

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

3665118 is a wasteful number, since it uses less digits than its factorization.

3665118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its digits is 4320, while the sum is 30.

The square root of 3665118 is about 1914.4497904098. The cubic root of 3665118 is about 154.1804541196.

The spelling of 3665118 in words is "three million, six hundred sixty-five thousand, one hundred eighteen".