3646906 has 8 divisors (see below), whose sum is σ = 5480640. Its totient is φ = 1820028.

The previous prime is 3646889. The next prime is 3646913. The reversal of 3646906 is 6096463.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (685080).

Almost surely, 2^3646906 is an apocalyptic number.

3646906 is a deficient number, since it is larger than the sum of its proper divisors (1833734).

3646906 is a wasteful number, since it uses less digits than its factorization.

3646906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3646906 is about 1909.6874089756. The cubic root of 3646906 is about 153.9246553345.

The spelling of 3646906 in words is "three million, six hundred forty-six thousand, nine hundred six".