8453838 has 16 divisors (see below), whose sum is σ = 17140176. Its totient is φ = 2779200.

The previous prime is 8453821. The next prime is 8453849. The reversal of 8453838 is 8383548.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8453796 and 8453805.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9213 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1071261).

Almost surely, 2^8453838 is an apocalyptic number.

8453838 is an abundant number, since it is smaller than the sum of its proper divisors (8686338).

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

8453838 is a wasteful number, since it uses less digits than its factorization.

8453838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19379.

The product of its digits is 92160, while the sum is 39.

The square root of 8453838 is about 2907.5484518749. The cubic root of 8453838 is about 203.7126384629.

The spelling of 8453838 in words is "eight million, four hundred fifty-three thousand, eight hundred thirty-eight".