3601801 has 4 divisors (see below), whose sum is σ = 4116352. Its totient is φ = 3087252.

The previous prime is 3601783. The next prime is 3601837. The reversal of 3601801 is 1081063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-3601801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3601001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257265 + ... + 257278.

It is an arithmetic number, because the mean of its divisors is an integer number (1029088).

Almost surely, 2^3601801 is an apocalyptic number.

It is an amenable number.

3601801 is a deficient number, since it is larger than the sum of its proper divisors (514551).

3601801 is an equidigital number, since it uses as much as digits as its factorization.

3601801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514550.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 3601801 is about 1897.8411419294. The cubic root of 3601801 is about 153.2874400566.

Adding to 3601801 its reverse (1081063), we get a palindrome (4682864).

The spelling of 3601801 in words is "three million, six hundred one thousand, eight hundred one".