6862138 has 4 divisors (see below), whose sum is σ = 10293210. Its totient is φ = 3431068.

The previous prime is 6862133. The next prime is 6862139. The reversal of 6862138 is 8312686.

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

It can be written as a sum of positive squares in only one way, i.e., 5414929 + 1447209 = 2327^2 + 1203^2 .

It is not an unprimeable number, because it can be changed into a prime (6862133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715533 + ... + 1715536.

Almost surely, 2^6862138 is an apocalyptic number.

6862138 is a deficient number, since it is larger than the sum of its proper divisors (3431072).

6862138 is a wasteful number, since it uses less digits than its factorization.

6862138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431071.

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

The square root of 6862138 is about 2619.5682850424. The cubic root of 6862138 is about 190.0289706517.

The spelling of 6862138 in words is "six million, eight hundred sixty-two thousand, one hundred thirty-eight".