3959798 has 4 divisors (see below), whose sum is σ = 5939700. Its totient is φ = 1979898.

The previous prime is 3959729. The next prime is 3959801. The reversal of 3959798 is 8979593.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989948 + ... + 989951.

It is an arithmetic number, because the mean of its divisors is an integer number (1484925).

Almost surely, 2^3959798 is an apocalyptic number.

3959798 is a deficient number, since it is larger than the sum of its proper divisors (1979902).

3959798 is a wasteful number, since it uses less digits than its factorization.

3959798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979901.

The product of its digits is 612360, while the sum is 50.

The square root of 3959798 is about 1989.9241191563. The cubic root of 3959798 is about 158.2065077345.

The spelling of 3959798 in words is "three million, nine hundred fifty-nine thousand, seven hundred ninety-eight".