8645413 has 12 divisors (see below), whose sum is σ = 10249740. Its totient is φ = 7268352.

The previous prime is 8645407. The next prime is 8645431. The reversal of 8645413 is 3145468.

It is a happy number.

8645413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4831204 + 3814209 = 2198^2 + 1953^2 .

It is not a de Polignac number, because 8645413 - 2⁵ = 8645381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (854145).

Almost surely, 2^8645413 is an apocalyptic number.

It is an amenable number.

8645413 is a deficient number, since it is larger than the sum of its proper divisors (1604327).

8645413 is a wasteful number, since it uses less digits than its factorization.

8645413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396 (or 3389 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 8645413 is about 2940.3083171668. The cubic root of 8645413 is about 205.2399569691.

Subtracting from 8645413 its reverse (3145468), we obtain a palindrome (5499945).

The spelling of 8645413 in words is "eight million, six hundred forty-five thousand, four hundred thirteen".