488434909 has 4 divisors (see below), whose sum is σ = 497650716. Its totient is φ = 479219104.

The previous prime is 488434901. The next prime is 488434967. The reversal of 488434909 is 909434884.

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 230736100 + 257698809 = 15190^2 + 16053^2 .

It is a cyclic number.

It is not a de Polignac number, because 488434909 - 2³ = 488434901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488434901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4607824 + ... + 4607929.

It is an arithmetic number, because the mean of its divisors is an integer number (124412679).

Almost surely, 2^488434909 is an apocalyptic number.

It is an amenable number.

488434909 is a deficient number, since it is larger than the sum of its proper divisors (9215807).

488434909 is an equidigital number, since it uses as much as digits as its factorization.

488434909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215806.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 488434909 is about 22100.5635448511. The cubic root of 488434909 is about 787.5332494234.

It can be divided in two parts, 4884 and 34909, that added together give a palindrome (39793).

The spelling of 488434909 in words is "four hundred eighty-eight million, four hundred thirty-four thousand, nine hundred nine".