488730991 has 16 divisors (see below), whose sum is σ = 574599168. Its totient is φ = 406980000.

The previous prime is 488730973. The next prime is 488731007. The reversal of 488730991 is 199037884.

It is a happy number.

It is not a de Polignac number, because 488730991 - 2⁵ = 488730959 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 (488730941) 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, 53241 + ... + 61741.

It is an arithmetic number, because the mean of its divisors is an integer number (35912448).

Almost surely, 2^488730991 is an apocalyptic number.

488730991 is a deficient number, since it is larger than the sum of its proper divisors (85868177).

488730991 is a wasteful number, since it uses less digits than its factorization.

488730991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 488730991 is about 22107.2610469954. The cubic root of 488730991 is about 787.6923476065.

The spelling of 488730991 in words is "four hundred eighty-eight million, seven hundred thirty thousand, nine hundred ninety-one".