6626943 has 12 divisors (see below), whose sum is σ = 9672208. Its totient is φ = 4371840.

The previous prime is 6626941. The next prime is 6626947. The reversal of 6626943 is 3496266.

It is not a de Polignac number, because 6626943 - 2¹ = 6626941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6626898 and 6626907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6626941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2923 + ... + 4668.

Almost surely, 2^6626943 is an apocalyptic number.

6626943 is a deficient number, since it is larger than the sum of its proper divisors (3045265).

6626943 is a wasteful number, since it uses less digits than its factorization.

6626943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694 (or 7691 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 6626943 is about 2574.2849492626. The cubic root of 6626943 is about 187.8326468301.

It can be divided in two parts, 6626 and 943, that added together give a square (7569 = 87²).

The spelling of 6626943 in words is "six million, six hundred twenty-six thousand, nine hundred forty-three".