489355990 has 8 divisors (see below), whose sum is σ = 880840800. Its totient is φ = 195742392.

The previous prime is 489355973. The next prime is 489355991. The reversal of 489355990 is 99553984.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489355991) 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, 24467790 + ... + 24467809.

It is an arithmetic number, because the mean of its divisors is an integer number (110105100).

Almost surely, 2^489355990 is an apocalyptic number.

489355990 is a deficient number, since it is larger than the sum of its proper divisors (391484810).

489355990 is a wasteful number, since it uses less digits than its factorization.

489355990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48935606.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 489355990 is about 22121.3921352161. The cubic root of 489355990 is about 788.0279768383.

The spelling of 489355990 in words is "four hundred eighty-nine million, three hundred fifty-five thousand, nine hundred ninety".