8718445 has 16 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 6697600.

The previous prime is 8718439. The next prime is 8718461. The reversal of 8718445 is 5448178.

It is not a de Polignac number, because 8718445 - 2¹³ = 8710253 is a prime.

It is a super-2 number, since 2×8718445² = 152022566436050, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14256 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^8718445 is an apocalyptic number.

It is an amenable number.

8718445 is a deficient number, since it is larger than the sum of its proper divisors (2167955).

8718445 is a wasteful number, since it uses less digits than its factorization.

8718445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 35840, while the sum is 37.

The square root of 8718445 is about 2952.7013055844. The cubic root of 8718445 is about 205.8162577511.

It can be divided in two parts, 871 and 8445, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 8718445 in words is "eight million, seven hundred eighteen thousand, four hundred forty-five".