3608643 has 4 divisors (see below), whose sum is σ = 4811528. Its totient is φ = 2405760.

The previous prime is 3608639. The next prime is 3608653. The reversal of 3608643 is 3468063.

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

It is not a de Polignac number, because 3608643 - 2² = 3608639 is a prime.

It is a D-number.

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 3608643.

It is not an unprimeable number, because it can be changed into a prime (3608653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601438 + ... + 601443.

It is an arithmetic number, because the mean of its divisors is an integer number (1202882).

Almost surely, 2^3608643 is an apocalyptic number.

3608643 is a deficient number, since it is larger than the sum of its proper divisors (1202885).

3608643 is a wasteful number, since it uses less digits than its factorization.

3608643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202884.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3608643 is about 1899.6428611715. The cubic root of 3608643 is about 153.3844405356.

The spelling of 3608643 in words is "three million, six hundred eight thousand, six hundred forty-three".