3665124 has 36 divisors (see below), whose sum is σ = 9422140. Its totient is φ = 1200960.

The previous prime is 3665117. The next prime is 3665131. The reversal of 3665124 is 4215663.

3665124 is a `hidden beast` number, since 3 + 6 + 651 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (3665117) and next prime (3665131).

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 2822400 = 918^2 + 1680^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1362 + ... + 3030.

Almost surely, 2^3665124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3665124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4711070).

3665124 is an abundant number, since it is smaller than the sum of its proper divisors (5757016).

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

3665124 is a wasteful number, since it uses less digits than its factorization.

3665124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1735 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3665124 is about 1914.4513574390. The cubic root of 3665124 is about 154.1805382535.

The spelling of 3665124 in words is "three million, six hundred sixty-five thousand, one hundred twenty-four".