6620348 has 24 divisors (see below), whose sum is σ = 13377504. Its totient is φ = 2808000.

The previous prime is 6620309. The next prime is 6620351. The reversal of 6620348 is 8430266.

It is a super-2 number, since 2×6620348² = 87658015282208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6620348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (557396).

Almost surely, 2^6620348 is an apocalyptic number.

It is an amenable number.

6620348 is an abundant number, since it is smaller than the sum of its proper divisors (6757156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6620348 is a wasteful number, since it uses less digits than its factorization.

6620348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 6620348 is about 2573.0036921855. The cubic root of 6620348 is about 187.7703170620.

The spelling of 6620348 in words is "six million, six hundred twenty thousand, three hundred forty-eight".