6406946 has 48 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 2457504.

The previous prime is 6406937. The next prime is 6406951. The reversal of 6406946 is 6496046.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59825 + ... + 59931.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^6406946 is an apocalyptic number.

6406946 is a deficient number, since it is larger than the sum of its proper divisors (6003550).

6406946 is a wasteful number, since it uses less digits than its factorization.

6406946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 176 counting only the distinct ones).

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

The square root of 6406946 is about 2531.1945796402. The cubic root of 6406946 is about 185.7306967183.

The spelling of 6406946 in words is "six million, four hundred six thousand, nine hundred forty-six".