3999794 has 16 divisors (see below), whose sum is σ = 6490368. Its totient is φ = 1841472.

The previous prime is 3999791. The next prime is 3999803. The reversal of 3999794 is 4979993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999791) 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, 347 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (405648).

Almost surely, 2^3999794 is an apocalyptic number.

3999794 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3999794 is a deficient number, since it is larger than the sum of its proper divisors (2490574).

3999794 is a wasteful number, since it uses less digits than its factorization.

3999794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569.

The product of its digits is 551124, while the sum is 50.

The square root of 3999794 is about 1999.9484993369. The cubic root of 3999794 is about 158.7373801116.

The spelling of 3999794 in words is "three million, nine hundred ninety-nine thousand, seven hundred ninety-four".