6623964 has 24 divisors (see below), whose sum is σ = 17173520. Its totient is φ = 2207952.

The previous prime is 6623963. The next prime is 6624017. The reversal of 6623964 is 4693266.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30559 + ... + 30774.

Almost surely, 2^6623964 is an apocalyptic number.

It is an amenable number.

6623964 is an abundant number, since it is smaller than the sum of its proper divisors (10549556).

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

6623964 is a wasteful number, since it uses less digits than its factorization.

6623964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61346 (or 61338 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 6623964 is about 2573.7062769477. The cubic root of 6623964 is about 187.8044972333.

The spelling of 6623964 in words is "six million, six hundred twenty-three thousand, nine hundred sixty-four".