6398234 has 4 divisors (see below), whose sum is σ = 9597354. Its totient is φ = 3199116.

The previous prime is 6398207. The next prime is 6398237. The reversal of 6398234 is 4328936.

It is a happy number.

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., 6265009 + 133225 = 2503^2 + 365^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6398194 and 6398203.

It is not an unprimeable number, because it can be changed into a prime (6398237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599557 + ... + 1599560.

Almost surely, 2^6398234 is an apocalyptic number.

6398234 is a deficient number, since it is larger than the sum of its proper divisors (3199120).

6398234 is a wasteful number, since it uses less digits than its factorization.

6398234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199119.

The product of its digits is 31104, while the sum is 35.

The square root of 6398234 is about 2529.4730676566. The cubic root of 6398234 is about 185.6464745946.

The spelling of 6398234 in words is "six million, three hundred ninety-eight thousand, two hundred thirty-four".