3622686 has 8 divisors (see below), whose sum is σ = 7245384. Its totient is φ = 1207560.

The previous prime is 3622679. The next prime is 3622687. The reversal of 3622686 is 6862263.

It is a sphenic number, since it is the product of 3 distinct primes.

3622686 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622687) 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, 301885 + ... + 301896.

It is an arithmetic number, because the mean of its divisors is an integer number (905673).

Almost surely, 2^3622686 is an apocalyptic number.

3622686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3622686 is a wasteful number, since it uses less digits than its factorization.

3622686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603786.

The product of its digits is 20736, while the sum is 33.

The square root of 3622686 is about 1903.3354932854. The cubic root of 3622686 is about 153.5831477008.

It can be divided in two parts, 36 and 22686, that added together give a palindrome (22722).

The spelling of 3622686 in words is "three million, six hundred twenty-two thousand, six hundred eighty-six".