6461806 has 16 divisors (see below), whose sum is σ = 10511424. Its totient is φ = 2961504.

The previous prime is 6461803. The next prime is 6461821. The reversal of 6461806 is 6081646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461801) 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, 3291 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (656964).

Almost surely, 2^6461806 is an apocalyptic number.

6461806 is a deficient number, since it is larger than the sum of its proper divisors (4049618).

6461806 is a wasteful number, since it uses less digits than its factorization.

6461806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6461806 is about 2542.0082611982. The cubic root of 6461806 is about 186.2593022695.

The spelling of 6461806 in words is "six million, four hundred sixty-one thousand, eight hundred six".