487293385 has 4 divisors (see below), whose sum is σ = 584752068. Its totient is φ = 389834704.

The previous prime is 487293383. The next prime is 487293397. The reversal of 487293385 is 583392784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133702969 + 353590416 = 11563^2 + 18804^2 .

It is a cyclic number.

It is not a de Polignac number, because 487293385 - 2¹ = 487293383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487293383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48729334 + ... + 48729343.

It is an arithmetic number, because the mean of its divisors is an integer number (146188017).

Almost surely, 2^487293385 is an apocalyptic number.

It is an amenable number.

487293385 is a deficient number, since it is larger than the sum of its proper divisors (97458683).

487293385 is an equidigital number, since it uses as much as digits as its factorization.

487293385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97458682.

The product of its digits is 1451520, while the sum is 49.

The square root of 487293385 is about 22074.7227615660. The cubic root of 487293385 is about 786.9192547078.

The spelling of 487293385 in words is "four hundred eighty-seven million, two hundred ninety-three thousand, three hundred eighty-five".