6499806 has 8 divisors (see below), whose sum is σ = 12999624. Its totient is φ = 2166600.

The previous prime is 6499793. The next prime is 6499841. The reversal of 6499806 is 6089946.

It is a sphenic number, since it is the product of 3 distinct primes.

6499806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541645 + ... + 541656.

It is an arithmetic number, because the mean of its divisors is an integer number (1624953).

Almost surely, 2^6499806 is an apocalyptic number.

6499806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6499806 is a wasteful number, since it uses less digits than its factorization.

6499806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083306.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 6499806 is about 2549.4717099823. The cubic root of 6499806 is about 186.6237011374.

The spelling of 6499806 in words is "six million, four hundred ninety-nine thousand, eight hundred six".