3920799 has 4 divisors (see below), whose sum is σ = 5227736. Its totient is φ = 2613864.

The previous prime is 3920797. The next prime is 3920843. The reversal of 3920799 is 9970293.

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

It is not a de Polignac number, because 3920799 - 2¹ = 3920797 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920797) 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, 653464 + ... + 653469.

It is an arithmetic number, because the mean of its divisors is an integer number (1306934).

Almost surely, 2^3920799 is an apocalyptic number.

3920799 is a deficient number, since it is larger than the sum of its proper divisors (1306937).

3920799 is a wasteful number, since it uses less digits than its factorization.

3920799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306936.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 3920799 is about 1980.1007550122. The cubic root of 3920799 is about 157.6854152969.

The spelling of 3920799 in words is "three million, nine hundred twenty thousand, seven hundred ninety-nine".