3938822 has 4 divisors (see below), whose sum is σ = 5908236. Its totient is φ = 1969410.

The previous prime is 3938821. The next prime is 3938827. The reversal of 3938822 is 2288393.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984704 + ... + 984707.

It is an arithmetic number, because the mean of its divisors is an integer number (1477059).

Almost surely, 2^3938822 is an apocalyptic number.

3938822 is a deficient number, since it is larger than the sum of its proper divisors (1969414).

3938822 is a wasteful number, since it uses less digits than its factorization.

3938822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969413.

The product of its digits is 20736, while the sum is 35.

The square root of 3938822 is about 1984.6465680317. The cubic root of 3938822 is about 157.9266604029.

The spelling of 3938822 in words is "three million, nine hundred thirty-eight thousand, eight hundred twenty-two".