3642011 has 4 divisors (see below), whose sum is σ = 3703800. Its totient is φ = 3580224.

The previous prime is 3641999. The next prime is 3642019. The reversal of 3642011 is 1102463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3642011 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3642019) 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, 30806 + ... + 30923.

It is an arithmetic number, because the mean of its divisors is an integer number (925950).

Almost surely, 2^3642011 is an apocalyptic number.

3642011 is a deficient number, since it is larger than the sum of its proper divisors (61789).

3642011 is an equidigital number, since it uses as much as digits as its factorization.

3642011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61788.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3642011 is about 1908.4053552639. The cubic root of 3642011 is about 153.8557568813.

Adding to 3642011 its reverse (1102463), we get a palindrome (4744474).

The spelling of 3642011 in words is "three million, six hundred forty-two thousand, eleven".