6641238 has 16 divisors (see below), whose sum is σ = 13307760. Its totient is φ = 2209536.

The previous prime is 6641231. The next prime is 6641249. The reversal of 6641238 is 8321466.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5506 + ... + 6602.

It is an arithmetic number, because the mean of its divisors is an integer number (831735).

Almost surely, 2^6641238 is an apocalyptic number.

6641238 is an abundant number, since it is smaller than the sum of its proper divisors (6666522).

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

6641238 is a wasteful number, since it uses less digits than its factorization.

6641238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its digits is 6912, while the sum is 30.

The square root of 6641238 is about 2577.0599527368. The cubic root of 6641238 is about 187.9676079699.

The spelling of 6641238 in words is "six million, six hundred forty-one thousand, two hundred thirty-eight".