4487393 has 2 divisors, whose sum is σ = 4487394. Its totient is φ = 4487392.

The previous prime is 4487389. The next prime is 4487407. The reversal of 4487393 is 3937844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 2140369 = 1532^2 + 1463^2 .

It is a cyclic number.

It is not a de Polignac number, because 4487393 - 2² = 4487389 is a prime.

It is not a weakly prime, because it can be changed into another prime (4427393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2243696 + 2243697.

It is an arithmetic number, because the mean of its divisors is an integer number (2243697).

Almost surely, 2^4487393 is an apocalyptic number.

It is an amenable number.

4487393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4487393 is an equidigital number, since it uses as much as digits as its factorization.

4487393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 4487393 is about 2118.3467610380. The cubic root of 4487393 is about 164.9420426993.

The spelling of 4487393 in words is "four million, four hundred eighty-seven thousand, three hundred ninety-three".