3950659806 has 8 divisors (see below), whose sum is σ = 7901319624. Its totient is φ = 1316886600.

The previous prime is 3950659781. The next prime is 3950659829. The reversal of 3950659806 is 6089560593.

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

3950659806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329221645 + ... + 329221656.

It is an arithmetic number, because the mean of its divisors is an integer number (987664953).

Almost surely, 2^3950659806 is an apocalyptic number.

3950659806 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.

3950659806 is a wasteful number, since it uses less digits than its factorization.

3950659806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658443306.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 3950659806 is about 62854.2743653922. The cubic root of 3950659806 is about 1580.8471403816.

The spelling of 3950659806 in words is "three billion, nine hundred fifty million, six hundred fifty-nine thousand, eight hundred six".