806495406 has 32 divisors (see below), whose sum is σ = 1624381440. Its totient is φ = 266940576.

The previous prime is 806495387. The next prime is 806495449. The reversal of 806495406 is 604594608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833535 + ... + 834501.

It is an arithmetic number, because the mean of its divisors is an integer number (50761920).

Almost surely, 2^806495406 is an apocalyptic number.

806495406 is an abundant number, since it is smaller than the sum of its proper divisors (817886034).

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

806495406 is a wasteful number, since it uses less digits than its factorization.

806495406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 806495406 is about 28398.8627589205. The cubic root of 806495406 is about 930.8234145718.

The spelling of 806495406 in words is "eight hundred six million, four hundred ninety-five thousand, four hundred six".