6430234 has 4 divisors (see below), whose sum is σ = 9645354. Its totient is φ = 3215116.

The previous prime is 6430231. The next prime is 6430241. The reversal of 6430234 is 4320346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 205209 = 2495^2 + 453^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6430231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607557 + ... + 1607560.

Almost surely, 2^6430234 is an apocalyptic number.

6430234 is a deficient number, since it is larger than the sum of its proper divisors (3215120).

6430234 is a wasteful number, since it uses less digits than its factorization.

6430234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215119.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 6430234 is about 2535.7906064973. The cubic root of 6430234 is about 185.9554562467.

The spelling of 6430234 in words is "six million, four hundred thirty thousand, two hundred thirty-four".