3668651 has 8 divisors (see below), whose sum is σ = 4439520. Its totient is φ = 2959488.

The previous prime is 3668647. The next prime is 3668671. The reversal of 3668651 is 1568663.

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

It is not a de Polignac number, because 3668651 - 2² = 3668647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3668611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15296 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (554940).

Almost surely, 2^3668651 is an apocalyptic number.

3668651 is a deficient number, since it is larger than the sum of its proper divisors (770869).

3668651 is a wasteful number, since it uses less digits than its factorization.

3668651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30853.

The product of its digits is 25920, while the sum is 35.

The square root of 3668651 is about 1915.3722875723. The cubic root of 3668651 is about 154.2299790926.

The spelling of 3668651 in words is "three million, six hundred sixty-eight thousand, six hundred fifty-one".