6406234 has 4 divisors (see below), whose sum is σ = 9609354. Its totient is φ = 3203116.

The previous prime is 6406219. The next prime is 6406247. The reversal of 6406234 is 4326046.

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., 5049009 + 1357225 = 2247^2 + 1165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6406199 and 6406208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601557 + ... + 1601560.

Almost surely, 2^6406234 is an apocalyptic number.

6406234 is a deficient number, since it is larger than the sum of its proper divisors (3203120).

6406234 is a wasteful number, since it uses less digits than its factorization.

6406234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203119.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 6406234 is about 2531.0539306779. The cubic root of 6406234 is about 185.7238164171.

The spelling of 6406234 in words is "six million, four hundred six thousand, two hundred thirty-four".