3139927 has 4 divisors (see below), whose sum is σ = 3588496. Its totient is φ = 2691360.

The previous prime is 3139919. The next prime is 3139943. The reversal of 3139927 is 7299313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7299313 = 7 ⋅1042759.

It is not a de Polignac number, because 3139927 - 2³ = 3139919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3139892 and 3139901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224274 + ... + 224287.

It is an arithmetic number, because the mean of its divisors is an integer number (897124).

Almost surely, 2^3139927 is an apocalyptic number.

3139927 is a deficient number, since it is larger than the sum of its proper divisors (448569).

3139927 is an equidigital number, since it uses as much as digits as its factorization.

3139927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448568.

The product of its digits is 10206, while the sum is 34.

The square root of 3139927 is about 1771.9839164056. The cubic root of 3139927 is about 146.4333002524.

The spelling of 3139927 in words is "three million, one hundred thirty-nine thousand, nine hundred twenty-seven".