8394645 has 32 divisors (see below), whose sum is σ = 15851520. Its totient is φ = 3712320.

The previous prime is 8394643. The next prime is 8394667. The reversal of 8394645 is 5464938.

It is not a de Polignac number, because 8394645 - 2¹ = 8394643 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (495360).

Almost surely, 2^8394645 is an apocalyptic number.

It is an amenable number.

8394645 is a deficient number, since it is larger than the sum of its proper divisors (7456875).

8394645 is a wasteful number, since it uses less digits than its factorization.

8394645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its digits is 103680, while the sum is 39.

The square root of 8394645 is about 2897.3513766887. The cubic root of 8394645 is about 203.2360653352.

The spelling of 8394645 in words is "eight million, three hundred ninety-four thousand, six hundred forty-five".