6862663 has 4 divisors (see below), whose sum is σ = 6869520. Its totient is φ = 6855808.

The previous prime is 6862643. The next prime is 6862693. The reversal of 6862663 is 3662686.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3662686 = 2 ⋅1831343.

It is a cyclic number.

It is not a de Polignac number, because 6862663 - 2⁵ = 6862631 is a prime.

It is a super-2 number, since 2×6862663² = 94192286903138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603 + ... + 4036.

It is an arithmetic number, because the mean of its divisors is an integer number (1717380).

Almost surely, 2^6862663 is an apocalyptic number.

6862663 is a deficient number, since it is larger than the sum of its proper divisors (6857).

6862663 is a wasteful number, since it uses less digits than its factorization.

6862663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856.

The product of its digits is 62208, while the sum is 37.

The square root of 6862663 is about 2619.6684904774. The cubic root of 6862663 is about 190.0338166955.

The spelling of 6862663 in words is "six million, eight hundred sixty-two thousand, six hundred sixty-three".