489354578 has 32 divisors (see below), whose sum is σ = 781021440. Its totient is φ = 229472320.

The previous prime is 489354539. The next prime is 489354581. The reversal of 489354578 is 875453984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878276 + ... + 878832.

It is an arithmetic number, because the mean of its divisors is an integer number (24406920).

Almost surely, 2^489354578 is an apocalyptic number.

489354578 is a deficient number, since it is larger than the sum of its proper divisors (291666862).

489354578 is a wasteful number, since it uses less digits than its factorization.

489354578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 4838400, while the sum is 53.

The square root of 489354578 is about 22121.3602203843. The cubic root of 489354578 is about 788.0272189057.

The spelling of 489354578 in words is "four hundred eighty-nine million, three hundred fifty-four thousand, five hundred seventy-eight".