6434404 has 12 divisors (see below), whose sum is σ = 11648700. Its totient is φ = 3106208.

The previous prime is 6434401. The next prime is 6434429. The reversal of 6434404 is 4044346.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 5336100 = 1048^2 + 2310^2 .

It is not an unprimeable number, because it can be changed into a prime (6434401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27619 + ... + 27850.

It is an arithmetic number, because the mean of its divisors is an integer number (970725).

Almost surely, 2^6434404 is an apocalyptic number.

It is an amenable number.

6434404 is a deficient number, since it is larger than the sum of its proper divisors (5214296).

6434404 is a wasteful number, since it uses less digits than its factorization.

6434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55502 (or 55500 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 6434404 is about 2536.6127020103. The cubic root of 6434404 is about 185.9956448666.

The spelling of 6434404 in words is "six million, four hundred thirty-four thousand, four hundred four".