6406746 has 16 divisors (see below), whose sum is σ = 13055904. Its totient is φ = 2095184.

The previous prime is 6406727. The next prime is 6406747. The reversal of 6406746 is 6476046.

It is not an unprimeable number, because it can be changed into a prime (6406747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9756 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (815994).

Almost surely, 2^6406746 is an apocalyptic number.

6406746 is an abundant number, since it is smaller than the sum of its proper divisors (6649158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6406746 is a wasteful number, since it uses less digits than its factorization.

6406746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 6406746 is about 2531.1550722941. The cubic root of 6406746 is about 185.7287641009.

The spelling of 6406746 in words is "six million, four hundred six thousand, seven hundred forty-six".