6861238 has 4 divisors (see below), whose sum is σ = 10291860. Its totient is φ = 3430618.

The previous prime is 6861203. The next prime is 6861241. The reversal of 6861238 is 8321686.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8321686 = 2 ⋅4160843.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715308 + ... + 1715311.

It is an arithmetic number, because the mean of its divisors is an integer number (2572965).

Almost surely, 2^6861238 is an apocalyptic number.

6861238 is a deficient number, since it is larger than the sum of its proper divisors (3430622).

6861238 is a wasteful number, since it uses less digits than its factorization.

6861238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430621.

The product of its digits is 13824, while the sum is 34.

The square root of 6861238 is about 2619.3964953783. The cubic root of 6861238 is about 190.0206625728.

The spelling of 6861238 in words is "six million, eight hundred sixty-one thousand, two hundred thirty-eight".