4394893 has 2 divisors, whose sum is σ = 4394894. Its totient is φ = 4394892.

The previous prime is 4394881. The next prime is 4394899. The reversal of 4394893 is 3984934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 1582564 = 1677^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 4394893 - 2²¹ = 2297741 is a prime.

4394893 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197446 + 2197447.

It is an arithmetic number, because the mean of its divisors is an integer number (2197447).

Almost surely, 2^4394893 is an apocalyptic number.

It is an amenable number.

4394893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394893 is an equidigital number, since it uses as much as digits as its factorization.

4394893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 4394893 is about 2096.4000095402. The cubic root of 4394893 is about 163.8008314892.

The spelling of 4394893 in words is "four million, three hundred ninety-four thousand, eight hundred ninety-three".