3622641 has 16 divisors (see below), whose sum is σ = 5311488. Its totient is φ = 2178000.

The previous prime is 3622631. The next prime is 3622643. The reversal of 3622641 is 1462263.

It is not a de Polignac number, because 3622641 - 2⁵ = 3622609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3622643) 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 15 ways as a sum of consecutive naturals, for example, 4620 + ... + 5346.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^3622641 is an apocalyptic number.

It is an amenable number.

3622641 is a deficient number, since it is larger than the sum of its proper divisors (1688847).

3622641 is a wasteful number, since it uses less digits than its factorization.

3622641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its digits is 1728, while the sum is 24.

The square root of 3622641 is about 1903.3236718961. The cubic root of 3622641 is about 153.5825117758.

It can be divided in two parts, 362 and 2641, that added together give a palindrome (3003).

The spelling of 3622641 in words is "three million, six hundred twenty-two thousand, six hundred forty-one".