4394845 has 24 divisors (see below), whose sum is σ = 6535296. Its totient is φ = 2778048.

The previous prime is 4394843. The next prime is 4394879. The reversal of 4394845 is 5484934.

It is not a de Polignac number, because 4394845 - 2¹ = 4394843 is a prime.

It is a Duffinian number.

Its product of digits (69120) is a multiple of the sum of its prime divisors (768).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5544 + ... + 6286.

It is an arithmetic number, because the mean of its divisors is an integer number (272304).

Almost surely, 2^4394845 is an apocalyptic number.

It is an amenable number.

4394845 is a deficient number, since it is larger than the sum of its proper divisors (2140451).

4394845 is a wasteful number, since it uses less digits than its factorization.

4394845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 768 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 4394845 is about 2096.3885613120. The cubic root of 4394845 is about 163.8002351555.

The spelling of 4394845 in words is "four million, three hundred ninety-four thousand, eight hundred forty-five".