4393487 has 8 divisors (see below), whose sum is σ = 5124000. Its totient is φ = 3765552.

The previous prime is 4393481. The next prime is 4393489. The reversal of 4393487 is 7843934.

It is not a de Polignac number, because 4393487 - 2⁶ = 4393423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4393487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4393481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6062 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (640500).

Almost surely, 2^4393487 is an apocalyptic number.

4393487 is a deficient number, since it is larger than the sum of its proper divisors (730513).

4393487 is an equidigital number, since it uses as much as digits as its factorization.

4393487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830 (or 12816 counting only the distinct ones).

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

The square root of 4393487 is about 2096.0646459496. The cubic root of 4393487 is about 163.7833620815.

The spelling of 4393487 in words is "four million, three hundred ninety-three thousand, four hundred eighty-seven".