6138620 has 24 divisors (see below), whose sum is σ = 13308288. Its totient is φ = 2376000.

The previous prime is 6138611. The next prime is 6138647. The reversal of 6138620 is 268316.

It is a self number, because there is not a number n which added to its sum of digits gives 6138620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (554512).

Almost surely, 2^6138620 is an apocalyptic number.

It is an amenable number.

6138620 is an abundant number, since it is smaller than the sum of its proper divisors (7169668).

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

6138620 is a wasteful number, since it uses less digits than its factorization.

6138620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941 (or 9939 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6138620 is about 2477.6238616868. The cubic root of 6138620 is about 183.1008034519.

The spelling of 6138620 in words is "six million, one hundred thirty-eight thousand, six hundred twenty".