8118401 has 4 divisors (see below), whose sum is σ = 8595972. Its totient is φ = 7640832.

The previous prime is 8118391. The next prime is 8118413. The reversal of 8118401 is 1048118.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 1893376 = 2495^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 8118401 - 2⁶ = 8118337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8118101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238760 + ... + 238793.

It is an arithmetic number, because the mean of its divisors is an integer number (2148993).

Almost surely, 2^8118401 is an apocalyptic number.

It is an amenable number.

8118401 is a deficient number, since it is larger than the sum of its proper divisors (477571).

8118401 is a wasteful number, since it uses less digits than its factorization.

8118401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477570.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 8118401 is about 2849.2807864442. The cubic root of 8118401 is about 200.9818469947.

The spelling of 8118401 in words is "eight million, one hundred eighteen thousand, four hundred one".