6813862 has 32 divisors (see below), whose sum is σ = 11741184. Its totient is φ = 2937600.

The previous prime is 6813857. The next prime is 6813881. The reversal of 6813862 is 2683186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66103 + ... + 66205.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^6813862 is an apocalyptic number.

6813862 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6813862 is a deficient number, since it is larger than the sum of its proper divisors (4927322).

6813862 is a wasteful number, since it uses less digits than its factorization.

6813862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

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

The square root of 6813862 is about 2610.3375260682. The cubic root of 6813862 is about 189.5822956698.

The spelling of 6813862 in words is "six million, eight hundred thirteen thousand, eight hundred sixty-two".