406068807 has 4 divisors (see below), whose sum is σ = 541425080. Its totient is φ = 270712536.

The previous prime is 406068799. The next prime is 406068827. The reversal of 406068807 is 708860604.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 406068807 - 2³ = 406068799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406068827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67678132 + ... + 67678137.

It is an arithmetic number, because the mean of its divisors is an integer number (135356270).

Almost surely, 2^406068807 is an apocalyptic number.

406068807 is a deficient number, since it is larger than the sum of its proper divisors (135356273).

406068807 is a wasteful number, since it uses less digits than its factorization.

406068807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135356272.

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

The square root of 406068807 is about 20151.1490243112. The cubic root of 406068807 is about 740.5138912815.

The spelling of 406068807 in words is "four hundred six million, sixty-eight thousand, eight hundred seven".