6409206 has 20 divisors (see below), whose sum is σ = 14361732. Its totient is φ = 2136348.

The previous prime is 6409201. The next prime is 6409217. The reversal of 6409206 is 6029046.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 6409206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19620 + ... + 19943.

Almost surely, 2^6409206 is an apocalyptic number.

6409206 is an abundant number, since it is smaller than the sum of its proper divisors (7952526).

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

6409206 is a wasteful number, since it uses less digits than its factorization.

6409206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39577 (or 39568 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6409206 is about 2531.6409698059. The cubic root of 6409206 is about 185.7525325003.

The spelling of 6409206 in words is "six million, four hundred nine thousand, two hundred six".