3979822 has 32 divisors (see below), whose sum is σ = 7628544. Its totient is φ = 1512000.

The previous prime is 3979771. The next prime is 3979837. The reversal of 3979822 is 2289793.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6322 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (238392).

Almost surely, 2^3979822 is an apocalyptic number.

3979822 is a deficient number, since it is larger than the sum of its proper divisors (3648722).

3979822 is a wasteful number, since it uses less digits than its factorization.

3979822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its digits is 54432, while the sum is 40.

The square root of 3979822 is about 1994.9491221583. The cubic root of 3979822 is about 158.4727336194.

The spelling of 3979822 in words is "three million, nine hundred seventy-nine thousand, eight hundred twenty-two".