3947799 has 8 divisors (see below), whose sum is σ = 5445360. Its totient is φ = 2541056.

The previous prime is 3947771. The next prime is 3947807. The reversal of 3947799 is 9977493.

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 3947799 - 2¹² = 3943703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3947759) 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 7 ways as a sum of consecutive naturals, for example, 22602 + ... + 22775.

It is an arithmetic number, because the mean of its divisors is an integer number (680670).

Almost surely, 2^3947799 is an apocalyptic number.

3947799 is a deficient number, since it is larger than the sum of its proper divisors (1497561).

3947799 is a wasteful number, since it uses less digits than its factorization.

3947799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45409.

The product of its digits is 428652, while the sum is 48.

The square root of 3947799 is about 1986.9068926349. The cubic root of 3947799 is about 158.0465466663.

The spelling of 3947799 in words is "three million, nine hundred forty-seven thousand, seven hundred ninety-nine".