3608651 has 4 divisors (see below), whose sum is σ = 3798600. Its totient is φ = 3418704.

The previous prime is 3608639. The next prime is 3608653. The reversal of 3608651 is 1568063.

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

It is a cyclic number.

It is not a de Polignac number, because 3608651 - 2¹⁰ = 3607627 is a prime.

It is a Duffinian number.

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, 94946 + ... + 94983.

It is an arithmetic number, because the mean of its divisors is an integer number (949650).

Almost surely, 2^3608651 is an apocalyptic number.

3608651 is a deficient number, since it is larger than the sum of its proper divisors (189949).

3608651 is a wasteful number, since it uses less digits than its factorization.

3608651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189948.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3608651 is about 1899.6449668293. The cubic root of 3608651 is about 153.3845538815.

The spelling of 3608651 in words is "three million, six hundred eight thousand, six hundred fifty-one".