489509254 has 16 divisors (see below), whose sum is σ = 837260928. Its totient is φ = 212637312.

The previous prime is 489509249. The next prime is 489509263. The reversal of 489509254 is 452905984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553302 + ... + 554185.

It is an arithmetic number, because the mean of its divisors is an integer number (52328808).

Almost surely, 2^489509254 is an apocalyptic number.

489509254 is a deficient number, since it is larger than the sum of its proper divisors (347751674).

489509254 is a wasteful number, since it uses less digits than its factorization.

489509254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107519.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 489509254 is about 22124.8560221304. The cubic root of 489509254 is about 788.1102371394.

The spelling of 489509254 in words is "four hundred eighty-nine million, five hundred nine thousand, two hundred fifty-four".