6139738 has 16 divisors (see below), whose sum is σ = 10187136. Its totient is φ = 2751840.

The previous prime is 6139733. The next prime is 6139739. The reversal of 6139738 is 8379316.

It is a junction number, because it is equal to n+sod(n) for n = 6139697 and 6139706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 3517.

It is an arithmetic number, because the mean of its divisors is an integer number (636696).

Almost surely, 2^6139738 is an apocalyptic number.

6139738 is a deficient number, since it is larger than the sum of its proper divisors (4047398).

6139738 is a wasteful number, since it uses less digits than its factorization.

6139738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909.

The product of its digits is 27216, while the sum is 37.

The square root of 6139738 is about 2477.8494708113. The cubic root of 6139738 is about 183.1119185599. Note that the first 3 decimals are identical.

The spelling of 6139738 in words is "six million, one hundred thirty-nine thousand, seven hundred thirty-eight".