4094639806 has 8 divisors (see below), whose sum is σ = 6166430424. Its totient is φ = 2039163000.

The previous prime is 4094639797. The next prime is 4094639807. The reversal of 4094639806 is 6089364904.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4094639806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4094639807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077825 + ... + 4078828.

It is an arithmetic number, because the mean of its divisors is an integer number (770803803).

Almost surely, 2^4094639806 is an apocalyptic number.

4094639806 is a deficient number, since it is larger than the sum of its proper divisors (2071790618).

4094639806 is a wasteful number, since it uses less digits than its factorization.

4094639806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156906.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 4094639806 is about 63989.3726020188. The cubic root of 4094639806 is about 1599.8228717980.

The spelling of 4094639806 in words is "four billion, ninety-four million, six hundred thirty-nine thousand, eight hundred six".