6115638 has 8 divisors (see below), whose sum is σ = 12231288. Its totient is φ = 2038544.

The previous prime is 6115579. The next prime is 6115639. The reversal of 6115638 is 8365116.

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

6115638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6115639) 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, 509631 + ... + 509642.

It is an arithmetic number, because the mean of its divisors is an integer number (1528911).

Almost surely, 2^6115638 is an apocalyptic number.

6115638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6115638 is a wasteful number, since it uses less digits than its factorization.

6115638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019278.

The product of its digits is 4320, while the sum is 30.

The square root of 6115638 is about 2472.9816012255. The cubic root of 6115638 is about 182.8720177748.

The spelling of 6115638 in words is "six million, one hundred fifteen thousand, six hundred thirty-eight".