488947385 has 4 divisors (see below), whose sum is σ = 586736868. Its totient is φ = 391157904.

The previous prime is 488947379. The next prime is 488947429. The reversal of 488947385 is 583749884.

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 366645904 + 122301481 = 19148^2 + 11059^2 .

It is a cyclic number.

It is not a de Polignac number, because 488947385 - 2¹⁶ = 488881849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 488947385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48894734 + ... + 48894743.

It is an arithmetic number, because the mean of its divisors is an integer number (146684217).

Almost surely, 2^488947385 is an apocalyptic number.

It is an amenable number.

488947385 is a deficient number, since it is larger than the sum of its proper divisors (97789483).

488947385 is an equidigital number, since it uses as much as digits as its factorization.

488947385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97789482.

The product of its digits is 7741440, while the sum is 56.

The square root of 488947385 is about 22112.1546892201. The cubic root of 488947385 is about 787.8085852030.

The spelling of 488947385 in words is "four hundred eighty-eight million, nine hundred forty-seven thousand, three hundred eighty-five".