3601000 has 64 divisors (see below), whose sum is σ = 9107280. Its totient is φ = 1324800.

The previous prime is 3600997. The next prime is 3601001. The reversal of 3601000 is 1063.

It can be written as a sum of positive squares in 8 ways, for example, as 133956 + 3467044 = 366^2 + 1862^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601001) 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, 12862 + ... + 13138.

Almost surely, 2^3601000 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 3601000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4553640).

3601000 is an abundant number, since it is smaller than the sum of its proper divisors (5506280).

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

3601000 is a wasteful number, since it uses less digits than its factorization.

3601000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 3601000 is about 1897.6301009417. The cubic root of 3601000 is about 153.2760760804.

Adding to 3601000 its reverse (1063), we get a palindrome (3602063).

The spelling of 3601000 in words is "three million, six hundred one thousand".