3626643 has 8 divisors (see below), whose sum is σ = 4907968. Its totient is φ = 2381544.

The previous prime is 3626641. The next prime is 3626657. The reversal of 3626643 is 3466263.

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

It is not a de Polignac number, because 3626643 - 2¹ = 3626641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3626643.

It is not an unprimeable number, because it can be changed into a prime (3626641) 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 7 ways as a sum of consecutive naturals, for example, 8821 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (613496).

Almost surely, 2^3626643 is an apocalyptic number.

3626643 is a deficient number, since it is larger than the sum of its proper divisors (1281325).

3626643 is a wasteful number, since it uses less digits than its factorization.

3626643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18113.

The product of its digits is 15552, while the sum is 30.

The square root of 3626643 is about 1904.3747005251. The cubic root of 3626643 is about 153.6390461308.

The spelling of 3626643 in words is "three million, six hundred twenty-six thousand, six hundred forty-three".