6113646 has 72 divisors (see below), whose sum is σ = 16681392. Its totient is φ = 1584000.

The previous prime is 6113623. The next prime is 6113663. The reversal of 6113646 is 6463116.

6113646 is a `hidden beast` number, since 6 + 1 + 13 + 646 = 666.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 15046 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (231686).

Almost surely, 2^6113646 is an apocalyptic number.

6113646 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6113646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8340696).

6113646 is an abundant number, since it is smaller than the sum of its proper divisors (10567746).

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

6113646 is a wasteful number, since it uses less digits than its factorization.

6113646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 424 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 6113646 is about 2472.5788157307. The cubic root of 6113646 is about 182.8521604506.

The spelling of 6113646 in words is "six million, one hundred thirteen thousand, six hundred forty-six".