406806807 has 16 divisors (see below), whose sum is σ = 598371840. Its totient is φ = 243777600.

The previous prime is 406806793. The next prime is 406806811. The reversal of 406806807 is 708608604.

It is not a de Polignac number, because 406806807 - 2¹⁶ = 406741271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406806847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66319 + ... + 72192.

It is an arithmetic number, because the mean of its divisors is an integer number (37398240).

Almost surely, 2^406806807 is an apocalyptic number.

406806807 is a deficient number, since it is larger than the sum of its proper divisors (191565033).

406806807 is a wasteful number, since it uses less digits than its factorization.

406806807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138614.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 406806807 is about 20169.4523227578. The cubic root of 406806807 is about 740.9622295124.

The spelling of 406806807 in words is "four hundred six million, eight hundred six thousand, eight hundred seven".