489297578 has 16 divisors (see below), whose sum is σ = 915050304. Its totient is φ = 190635360.

The previous prime is 489297577. The next prime is 489297617. The reversal of 489297578 is 875792984.

It is not an unprimeable number, because it can be changed into a prime (489297577) 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, 1588475 + ... + 1588782.

It is an arithmetic number, because the mean of its divisors is an integer number (57190644).

Almost surely, 2^489297578 is an apocalyptic number.

489297578 is a deficient number, since it is larger than the sum of its proper divisors (425752726).

489297578 is a wasteful number, since it uses less digits than its factorization.

489297578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177277.

The product of its digits is 10160640, while the sum is 59.

The square root of 489297578 is about 22120.0718353264. The cubic root of 489297578 is about 787.9966212589.

The spelling of 489297578 in words is "four hundred eighty-nine million, two hundred ninety-seven thousand, five hundred seventy-eight".