6620294 has 8 divisors (see below), whose sum is σ = 10272960. Its totient is φ = 3195976.

The previous prime is 6620291. The next prime is 6620309. The reversal of 6620294 is 4920266.

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

It is a super-3 number, since 3×6620294³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 57014 + ... + 57129.

It is an arithmetic number, because the mean of its divisors is an integer number (1284120).

Almost surely, 2^6620294 is an apocalyptic number.

6620294 is a deficient number, since it is larger than the sum of its proper divisors (3652666).

6620294 is a wasteful number, since it uses less digits than its factorization.

6620294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114174.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6620294 is about 2572.9931985919. The cubic root of 6620294 is about 187.7698065337.

The spelling of 6620294 in words is "six million, six hundred twenty thousand, two hundred ninety-four".