6404622 has 32 divisors (see below), whose sum is σ = 14784000. Its totient is φ = 1811808.

The previous prime is 6404611. The next prime is 6404623. The reversal of 6404622 is 2264046.

It is a junction number, because it is equal to n+sod(n) for n = 6404592 and 6404601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404623) 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 15 ways as a sum of consecutive naturals, for example, 3879 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (462000).

Almost surely, 2^6404622 is an apocalyptic number.

6404622 is an abundant number, since it is smaller than the sum of its proper divisors (8379378).

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

6404622 is a wasteful number, since it uses less digits than its factorization.

6404622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 6404622 is about 2530.7354662232. The cubic root of 6404622 is about 185.7082372220.

Adding to 6404622 its reverse (2264046), we get a palindrome (8668668).

The spelling of 6404622 in words is "six million, four hundred four thousand, six hundred twenty-two".