3118644 has 18 divisors (see below), whose sum is σ = 7883330. Its totient is φ = 1039536.

The previous prime is 3118637. The next prime is 3118651. The reversal of 3118644 is 4468113.

3118644 is a `hidden beast` number, since 3 + 1 + 18 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (3118637) and next prime (3118651).

It can be written as a sum of positive squares in only one way, i.e., 2683044 + 435600 = 1638^2 + 660^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43279 + ... + 43350.

Almost surely, 2^3118644 is an apocalyptic number.

It is an amenable number.

3118644 is an abundant number, since it is smaller than the sum of its proper divisors (4764686).

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

3118644 is a wasteful number, since it uses less digits than its factorization.

3118644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86639 (or 86634 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3118644 is about 1765.9682896360. The cubic root of 3118644 is about 146.1016993310.

The spelling of 3118644 in words is "three million, one hundred eighteen thousand, six hundred forty-four".