488636489 has 16 divisors (see below), whose sum is σ = 538344576. Its totient is φ = 439833600.

The previous prime is 488636461. The next prime is 488636501. The reversal of 488636489 is 984636884.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 488636489 - 2⁸ = 488636233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (488636089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846569 + ... + 847145.

It is an arithmetic number, because the mean of its divisors is an integer number (33646536).

Almost surely, 2^488636489 is an apocalyptic number.

It is an amenable number.

488636489 is a deficient number, since it is larger than the sum of its proper divisors (49708087).

488636489 is a wasteful number, since it uses less digits than its factorization.

488636489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its digits is 7962624, while the sum is 56.

The square root of 488636489 is about 22105.1235916020. The cubic root of 488636489 is about 787.6415744123.

The spelling of 488636489 in words is "four hundred eighty-eight million, six hundred thirty-six thousand, four hundred eighty-nine".