906646 has 8 divisors (see below), whose sum is σ = 1464624. Its totient is φ = 418440.

The previous prime is 906641. The next prime is 906649. The reversal of 906646 is 646609.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906641) 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, 17410 + ... + 17461.

It is an arithmetic number, because the mean of its divisors is an integer number (183078).

2⁹⁰⁶⁶⁴⁶ is an apocalyptic number.

906646 is a deficient number, since it is larger than the sum of its proper divisors (557978).

906646 is a wasteful number, since it uses less digits than its factorization.

906646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34886.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 906646 is about 952.1796049066. The cubic root of 906646 is about 96.7860092932.

The spelling of 906646 in words is "nine hundred six thousand, six hundred forty-six".