6620295 has 16 divisors (see below), whose sum is σ = 11555712. Its totient is φ = 3209760.

The previous prime is 6620291. The next prime is 6620309. The reversal of 6620295 is 5920266.

It is not a de Polignac number, because 6620295 - 2² = 6620291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19897 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (722232).

Almost surely, 2^6620295 is an apocalyptic number.

6620295 is a deficient number, since it is larger than the sum of its proper divisors (4935417).

6620295 is a wasteful number, since it uses less digits than its factorization.

6620295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40142.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6620295 is about 2572.9933929181. The cubic root of 6620295 is about 187.7698159880.

The spelling of 6620295 in words is "six million, six hundred twenty thousand, two hundred ninety-five".