6623347 has 4 divisors (see below), whose sum is σ = 6647536. Its totient is φ = 6599160.

The previous prime is 6623341. The next prime is 6623369. The reversal of 6623347 is 7433266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7433266 = 2 ⋅3716633.

It is a cyclic number.

It is not a de Polignac number, because 6623347 - 2¹⁹ = 6099059 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 6⁸ + 2²¹ + 3² + 3⁶ + 4¹⁰ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623341) 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, 11679 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (1661884).

Almost surely, 2^6623347 is an apocalyptic number.

6623347 is a deficient number, since it is larger than the sum of its proper divisors (24189).

6623347 is a wasteful number, since it uses less digits than its factorization.

6623347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24188.

The product of its digits is 18144, while the sum is 31.

The square root of 6623347 is about 2573.5864081083. The cubic root of 6623347 is about 187.7986659328.

The spelling of 6623347 in words is "six million, six hundred twenty-three thousand, three hundred forty-seven".