6862157 has 4 divisors (see below), whose sum is σ = 6889116. Its totient is φ = 6835200.

The previous prime is 6862147. The next prime is 6862159. The reversal of 6862157 is 7512686.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3924361 + 2937796 = 1981^2 + 1714^2 .

It is a cyclic number.

It is not a de Polignac number, because 6862157 - 2¹⁰ = 6861133 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862159) 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, 13094 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (1722279).

Almost surely, 2^6862157 is an apocalyptic number.

It is an amenable number.

6862157 is a deficient number, since it is larger than the sum of its proper divisors (26959).

6862157 is a wasteful number, since it uses less digits than its factorization.

6862157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26958.

The product of its digits is 20160, while the sum is 35.

The square root of 6862157 is about 2619.5719115917. The cubic root of 6862157 is about 190.0291460366.

The spelling of 6862157 in words is "six million, eight hundred sixty-two thousand, one hundred fifty-seven".