6923898 has 24 divisors (see below), whose sum is σ = 15143700. Its totient is φ = 2286144.

The previous prime is 6923893. The next prime is 6923909. The reversal of 6923898 is 8983296.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 127449 = 2607^2 + 357^2 .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6923893) 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 11 ways as a sum of consecutive naturals, for example, 198 + ... + 3726.

Almost surely, 2^6923898 is an apocalyptic number.

6923898 is an abundant number, since it is smaller than the sum of its proper divisors (8219802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6923898 is a wasteful number, since it uses less digits than its factorization.

6923898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3643 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6923898 is about 2631.3300819167. The cubic root of 6923898 is about 190.5973627585.

The spelling of 6923898 in words is "six million, nine hundred twenty-three thousand, eight hundred ninety-eight".