6617996 has 24 divisors (see below), whose sum is σ = 14439936. Its totient is φ = 2578320.

The previous prime is 6617993. The next prime is 6618013. The reversal of 6617996 is 6997166.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (6617993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10436 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (601664).

Almost surely, 2^6617996 is an apocalyptic number.

It is an amenable number.

6617996 is an abundant number, since it is smaller than the sum of its proper divisors (7821940).

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

6617996 is a wasteful number, since it uses less digits than its factorization.

6617996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21509 (or 21507 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 6617996 is about 2572.5465982174. The cubic root of 6617996 is about 187.7480781457.

The spelling of 6617996 in words is "six million, six hundred seventeen thousand, nine hundred ninety-six".