6138870 has 32 divisors (see below), whose sum is σ = 15601248. Its totient is φ = 1540608.

The previous prime is 6138863. The next prime is 6138871. The reversal of 6138870 is 788316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5509 + ... + 6528.

It is an arithmetic number, because the mean of its divisors is an integer number (487539).

Almost surely, 2^6138870 is an apocalyptic number.

6138870 is an abundant number, since it is smaller than the sum of its proper divisors (9462378).

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

6138870 is a wasteful number, since it uses less digits than its factorization.

6138870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 6138870 is about 2477.6743127377. The cubic root of 6138870 is about 183.1032890583.

The spelling of 6138870 in words is "six million, one hundred thirty-eight thousand, eight hundred seventy".