8718394 has 16 divisors (see below), whose sum is σ = 13419432. Its totient is φ = 4246528.

The previous prime is 8718377. The next prime is 8718401. The reversal of 8718394 is 4938178.

It can be written as a sum of positive squares in 4 ways, for example, as 6827769 + 1890625 = 2613^2 + 1375^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24522 + ... + 24874.

Almost surely, 2^8718394 is an apocalyptic number.

8718394 is a deficient number, since it is larger than the sum of its proper divisors (4701038).

8718394 is a wasteful number, since it uses less digits than its factorization.

8718394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 48384, while the sum is 40.

The square root of 8718394 is about 2952.6926694121. The cubic root of 8718394 is about 205.8158564314.

It can be divided in two parts, 87 and 18394, that added together give a palindrome (18481).

The spelling of 8718394 in words is "eight million, seven hundred eighteen thousand, three hundred ninety-four".