6623396 has 12 divisors (see below), whose sum is σ = 12482652. Its totient is φ = 3056928.

The previous prime is 6623389. The next prime is 6623401. The reversal of 6623396 is 6933266.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 5382400 = 1114^2 + 2320^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63635 + ... + 63738.

It is an arithmetic number, because the mean of its divisors is an integer number (1040221).

Almost surely, 2^6623396 is an apocalyptic number.

It is an amenable number.

6623396 is a deficient number, since it is larger than the sum of its proper divisors (5859256).

6623396 is a wasteful number, since it uses less digits than its factorization.

6623396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127390 (or 127388 counting only the distinct ones).

The product of its digits is 34992, while the sum is 35.

The square root of 6623396 is about 2573.5959278799. The cubic root of 6623396 is about 187.7991290477.

The spelling of 6623396 in words is "six million, six hundred twenty-three thousand, three hundred ninety-six".