6636946 has 8 divisors (see below), whose sum is σ = 9966960. Its totient is φ = 3314628.

The previous prime is 6636943. The next prime is 6636961. The reversal of 6636946 is 6496366.

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

It is a d-powerful number, because it can be written as 6 + 6⁵ + 3¹¹ + 6⁶ + 9⁶ + 4¹¹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 6636899 and 6636908.

It is not an unprimeable number, because it can be changed into a prime (6636943) 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, 1345 + ... + 3883.

It is an arithmetic number, because the mean of its divisors is an integer number (1245870).

Almost surely, 2^6636946 is an apocalyptic number.

6636946 is a deficient number, since it is larger than the sum of its proper divisors (3330014).

6636946 is a wasteful number, since it uses less digits than its factorization.

6636946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848.

The product of its digits is 139968, while the sum is 40.

The square root of 6636946 is about 2576.2270862639. The cubic root of 6636946 is about 187.9271069454.

The spelling of 6636946 in words is "six million, six hundred thirty-six thousand, nine hundred forty-six".