3994866293 has 8 divisors (see below), whose sum is σ = 4398766560. Its totient is φ = 3597754480.

The previous prime is 3994866289. The next prime is 3994866307. The reversal of 3994866293 is 3926684993.

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

It is a cyclic number.

It is not a de Polignac number, because 3994866293 - 2² = 3994866289 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 (3994863293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695878 + ... + 1698231.

It is an arithmetic number, because the mean of its divisors is an integer number (549845820).

Almost surely, 2^3994866293 is an apocalyptic number.

It is an amenable number.

3994866293 is a deficient number, since it is larger than the sum of its proper divisors (403900267).

3994866293 is a wasteful number, since it uses less digits than its factorization.

3994866293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394227.

The product of its digits is 15116544, while the sum is 59.

The square root of 3994866293 is about 63204.9546554699. The cubic root of 3994866293 is about 1586.7216569096.

The spelling of 3994866293 in words is "three billion, nine hundred ninety-four million, eight hundred sixty-six thousand, two hundred ninety-three".