3139922 has 4 divisors (see below), whose sum is σ = 4709886. Its totient is φ = 1569960.

The previous prime is 3139919. The next prime is 3139943. The reversal of 3139922 is 2299313.

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., 3136441 + 3481 = 1771^2 + 59^2 .

It is a super-2 number, since 2×3139922² = 19718220332168, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 784979 + ... + 784982.

Almost surely, 2^3139922 is an apocalyptic number.

3139922 is a deficient number, since it is larger than the sum of its proper divisors (1569964).

3139922 is a wasteful number, since it uses less digits than its factorization.

3139922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569963.

The product of its digits is 2916, while the sum is 29.

The square root of 3139922 is about 1771.9825055570. The cubic root of 3139922 is about 146.4332225258.

The spelling of 3139922 in words is "three million, one hundred thirty-nine thousand, nine hundred twenty-two".