6138851 has 4 divisors (see below), whose sum is σ = 6165432. Its totient is φ = 6112272.

The previous prime is 6138841. The next prime is 6138859. The reversal of 6138851 is 1588316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6138851 - 2⁶ = 6138787 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6138859) 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, 12941 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (1541358).

Almost surely, 2^6138851 is an apocalyptic number.

6138851 is a deficient number, since it is larger than the sum of its proper divisors (26581).

6138851 is a wasteful number, since it uses less digits than its factorization.

6138851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26580.

The product of its digits is 5760, while the sum is 32.

The square root of 6138851 is about 2477.6704784939. The cubic root of 6138851 is about 183.1031001546.

The spelling of 6138851 in words is "six million, one hundred thirty-eight thousand, eight hundred fifty-one".