6786423 has 20 divisors (see below), whose sum is σ = 11586960. Its totient is φ = 3877632.

The previous prime is 6786413. The next prime is 6786457. The reversal of 6786423 is 3246876.

6786423 is a `hidden beast` number, since 6 + 7 + 8 + 642 + 3 = 666.

It is not a de Polignac number, because 6786423 - 2⁴ = 6786407 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786413) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5418 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (579348).

Almost surely, 2^6786423 is an apocalyptic number.

6786423 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6786423 is a deficient number, since it is larger than the sum of its proper divisors (4800537).

6786423 is a wasteful number, since it uses less digits than its factorization.

6786423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11988 (or 11979 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6786423 is about 2605.0763904346. The cubic root of 6786423 is about 189.3274745950.

The spelling of 6786423 in words is "six million, seven hundred eighty-six thousand, four hundred twenty-three".