6620933 has 4 divisors (see below), whose sum is σ = 7222848. Its totient is φ = 6019020.

The previous prime is 6620927. The next prime is 6620947. The reversal of 6620933 is 3390266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6620933 - 2⁶ = 6620869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6620896 and 6620905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620953) 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, 300941 + ... + 300962.

It is an arithmetic number, because the mean of its divisors is an integer number (1805712).

Almost surely, 2^6620933 is an apocalyptic number.

It is an amenable number.

6620933 is a deficient number, since it is larger than the sum of its proper divisors (601915).

6620933 is a wasteful number, since it uses less digits than its factorization.

6620933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601914.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 6620933 is about 2573.1173700397. The cubic root of 6620933 is about 187.7758476071.

The spelling of 6620933 in words is "six million, six hundred twenty thousand, nine hundred thirty-three".