3601988 has 24 divisors (see below), whose sum is σ = 6859608. Its totient is φ = 1645056.

The previous prime is 3601967. The next prime is 3601991. The reversal of 3601988 is 8891063.

3601988 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 2795584 = 898^2 + 1672^2 .

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (285817).

Almost surely, 2^3601988 is an apocalyptic number.

It is an amenable number.

3601988 is a deficient number, since it is larger than the sum of its proper divisors (3257620).

3601988 is a wasteful number, since it uses less digits than its factorization.

3601988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3601988 is about 1897.8904077949. The cubic root of 3601988 is about 153.2900928271.

The spelling of 3601988 in words is "three million, six hundred one thousand, nine hundred eighty-eight".