6139308 has 72 divisors (see below), whose sum is σ = 17064432. Its totient is φ = 1712256.

The previous prime is 6139303. The next prime is 6139319. The reversal of 6139308 is 8039316.

It is a super-2 number, since 2×6139308² = 75382205437728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6139303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31066 + ... + 31262.

It is an arithmetic number, because the mean of its divisors is an integer number (237006).

Almost surely, 2^6139308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6139308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8532216).

6139308 is an abundant number, since it is smaller than the sum of its proper divisors (10925124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6139308 is a wasteful number, since it uses less digits than its factorization.

6139308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6139308 is about 2477.7627005022. The cubic root of 6139308 is about 183.1076436780.

The spelling of 6139308 in words is "six million, one hundred thirty-nine thousand, three hundred eight".