6623488 has 18 divisors (see below), whose sum is σ = 13221614. Its totient is φ = 3311616.

The previous prime is 6623467. The next prime is 6623521. The reversal of 6623488 is 8843266.

It can be written as a sum of positive squares in only one way, i.e., 5607424 + 1016064 = 2368^2 + 1008^2 .

It is a super-2 number, since 2×6623488² = 87741186572288, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681 + ... + 13192.

Almost surely, 2^6623488 is an apocalyptic number.

It is an amenable number.

6623488 is a deficient number, since it is larger than the sum of its proper divisors (6598126).

6623488 is an equidigital number, since it uses as much as digits as its factorization.

6623488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25889 (or 25875 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 6623488 is about 2573.6138016416. The cubic root of 6623488 is about 187.7999985634.

The spelling of 6623488 in words is "six million, six hundred twenty-three thousand, four hundred eighty-eight".