489733490 has 8 divisors (see below), whose sum is σ = 881520300. Its totient is φ = 195893392.

The previous prime is 489733471. The next prime is 489733499. The reversal of 489733490 is 94337984.

It can be written as a sum of positive squares in 2 ways, for example, as 458002801 + 31730689 = 21401^2 + 5633^2 .

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

It is not an unprimeable number, because it can be changed into a prime (489733499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24486665 + ... + 24486684.

Almost surely, 2^489733490 is an apocalyptic number.

489733490 is a deficient number, since it is larger than the sum of its proper divisors (391786810).

489733490 is a wasteful number, since it uses less digits than its factorization.

489733490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48973356.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 489733490 is about 22129.9229551302. The cubic root of 489733490 is about 788.2305588071.

The spelling of 489733490 in words is "four hundred eighty-nine million, seven hundred thirty-three thousand, four hundred ninety".