3871922 has 4 divisors (see below), whose sum is σ = 5807886. Its totient is φ = 1935960.

The previous prime is 3871921. The next prime is 3871961. The reversal of 3871922 is 2291783.

3871922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 3568321 + 303601 = 1889^2 + 551^2 .

It is not an unprimeable number, because it can be changed into a prime (3871921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967979 + ... + 967982.

Almost surely, 2^3871922 is an apocalyptic number.

3871922 is a deficient number, since it is larger than the sum of its proper divisors (1935964).

3871922 is a wasteful number, since it uses less digits than its factorization.

3871922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935963.

The product of its digits is 6048, while the sum is 32.

The square root of 3871922 is about 1967.7200004066. The cubic root of 3871922 is about 157.0274337769.

The spelling of 3871922 in words is "three million, eight hundred seventy-one thousand, nine hundred twenty-two".