3597220 has 48 divisors (see below), whose sum is σ = 8382528. Its totient is φ = 1285760.

The previous prime is 3597211. The next prime is 3597227. The reversal of 3597220 is 227953.

It is not an unprimeable number, because it can be changed into a prime (3597227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18162 + ... + 18358.

It is an arithmetic number, because the mean of its divisors is an integer number (174636).

Almost surely, 2^3597220 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 3597220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4191264).

3597220 is an abundant number, since it is smaller than the sum of its proper divisors (4785308).

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

3597220 is a wasteful number, since it uses less digits than its factorization.

3597220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3597220 is about 1896.6338602904. The cubic root of 3597220 is about 153.2224255746. Note that the first 3 decimals are identical.

The spelling of 3597220 in words is "three million, five hundred ninety-seven thousand, two hundred twenty".