488015891 has 8 divisors (see below), whose sum is σ = 542426544. Its totient is φ = 435279520.

The previous prime is 488015881. The next prime is 488015897. The reversal of 488015891 is 198510884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488015891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488015897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417956 + ... + 419121.

It is an arithmetic number, because the mean of its divisors is an integer number (67803318).

Almost surely, 2^488015891 is an apocalyptic number.

488015891 is a deficient number, since it is larger than the sum of its proper divisors (54410653).

488015891 is a wasteful number, since it uses less digits than its factorization.

488015891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837141.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 488015891 is about 22091.0817073316. The cubic root of 488015891 is about 787.3079822759.

The spelling of 488015891 in words is "four hundred eighty-eight million, fifteen thousand, eight hundred ninety-one".