6434402 has 16 divisors (see below), whose sum is σ = 10567032. Its totient is φ = 2920320.

The previous prime is 6434401. The next prime is 6434429. The reversal of 6434402 is 2044346.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2588881 + 3845521 = 1609^2 + 1961^2 .

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 7 ways as a sum of consecutive naturals, for example, 443 + ... + 3614.

Almost surely, 2^6434402 is an apocalyptic number.

6434402 is a deficient number, since it is larger than the sum of its proper divisors (4132630).

6434402 is a wasteful number, since it uses less digits than its factorization.

6434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 6434402 is about 2536.6123077837. The cubic root of 6434402 is about 185.9956255957.

Adding to 6434402 its reverse (2044346), we get a palindrome (8478748).

The spelling of 6434402 in words is "six million, four hundred thirty-four thousand, four hundred two".