3598640 has 20 divisors (see below), whose sum is σ = 8367024. Its totient is φ = 1439424.

The previous prime is 3598613. The next prime is 3598643. The reversal of 3598640 is 468953.

3598640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 3598640.

It is not an unprimeable number, because it can be changed into a prime (3598643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22412 + ... + 22571.

Almost surely, 2^3598640 is an apocalyptic number.

It is an amenable number.

3598640 is an abundant number, since it is smaller than the sum of its proper divisors (4768384).

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

3598640 is a wasteful number, since it uses less digits than its factorization.

3598640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44996 (or 44990 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3598640 is about 1897.0081707784. The cubic root of 3598640 is about 153.2425844029.

The spelling of 3598640 in words is "three million, five hundred ninety-eight thousand, six hundred forty".