6422404 has 12 divisors (see below), whose sum is σ = 11513628. Its totient is φ = 3132800.

The previous prime is 6422387. The next prime is 6422407. The reversal of 6422404 is 4042246.

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 5053504 = 1170^2 + 2248^2 .

It is not an unprimeable number, because it can be changed into a prime (6422407) 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 3 ways as a sum of consecutive naturals, for example, 19417 + ... + 19744.

It is an arithmetic number, because the mean of its divisors is an integer number (959469).

Almost surely, 2^6422404 is an apocalyptic number.

It is an amenable number.

6422404 is a deficient number, since it is larger than the sum of its proper divisors (5091224).

6422404 is a wasteful number, since it uses less digits than its factorization.

6422404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39206 (or 39204 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 6422404 is about 2534.2462390226. The cubic root of 6422404 is about 185.8799471948.

The spelling of 6422404 in words is "six million, four hundred twenty-two thousand, four hundred four".