3139738 has 8 divisors (see below), whose sum is σ = 5382432. Its totient is φ = 1345596.

The previous prime is 3139733. The next prime is 3139757. The reversal of 3139738 is 8379313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3139733) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 112120 + ... + 112147.

It is an arithmetic number, because the mean of its divisors is an integer number (672804).

Almost surely, 2^3139738 is an apocalyptic number.

3139738 is a deficient number, since it is larger than the sum of its proper divisors (2242694).

3139738 is a wasteful number, since it uses less digits than its factorization.

3139738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224276.

The product of its digits is 13608, while the sum is 34.

The square root of 3139738 is about 1771.9305855479. The cubic root of 3139738 is about 146.4303621321.

The spelling of 3139738 in words is "three million, one hundred thirty-nine thousand, seven hundred thirty-eight".