3659004 has 72 divisors (see below), whose sum is σ = 9876048. Its totient is φ = 1140480.

The previous prime is 3658981. The next prime is 3659009. The reversal of 3659004 is 4009563.

It is a happy number.

3659004 is a `hidden beast` number, since 3 + 659 + 0 + 0 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54579 + ... + 54645.

Almost surely, 2^3659004 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 3659004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4938024).

3659004 is an abundant number, since it is smaller than the sum of its proper divisors (6217044).

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

3659004 is a wasteful number, since it uses less digits than its factorization.

3659004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3659004 is about 1912.8523204890. The cubic root of 3659004 is about 154.0946738935.

The spelling of 3659004 in words is "three million, six hundred fifty-nine thousand, four".