6434427 has 8 divisors (see below), whose sum is σ = 8624464. Its totient is φ = 4267008.

The previous prime is 6434401. The next prime is 6434429. The reversal of 6434427 is 7244346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6434427 - 2⁷ = 6434299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6434394 and 6434403.

It is not an unprimeable number, because it can be changed into a prime (6434429) 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 7 ways as a sum of consecutive naturals, for example, 4978 + ... + 6135.

It is an arithmetic number, because the mean of its divisors is an integer number (1078058).

Almost surely, 2^6434427 is an apocalyptic number.

6434427 is a deficient number, since it is larger than the sum of its proper divisors (2190037).

6434427 is a wasteful number, since it uses less digits than its factorization.

6434427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309.

The product of its digits is 16128, while the sum is 30.

The square root of 6434427 is about 2536.6172356112. The cubic root of 6434427 is about 185.9958664823.

The spelling of 6434427 in words is "six million, four hundred thirty-four thousand, four hundred twenty-seven".