8453818 has 16 divisors (see below), whose sum is σ = 13022856. Its totient is φ = 4114240.

The previous prime is 8453791. The next prime is 8453821. The reversal of 8453818 is 8183548.

It can be written as a sum of positive squares in 4 ways, for example, as 8311689 + 142129 = 2883^2 + 377^2 .

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, 18108 + ... + 18568.

Almost surely, 2^8453818 is an apocalyptic number.

8453818 is a deficient number, since it is larger than the sum of its proper divisors (4569038).

8453818 is a wasteful number, since it uses less digits than its factorization.

8453818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its digits is 30720, while the sum is 37.

The square root of 8453818 is about 2907.5450125492. The cubic root of 8453818 is about 203.7124778157.

The spelling of 8453818 in words is "eight million, four hundred fifty-three thousand, eight hundred eighteen".