490660089 has 8 divisors (see below), whose sum is σ = 654362112. Its totient is φ = 327032400.

The previous prime is 490660087. The next prime is 490660097. The reversal of 490660089 is 980066094.

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

It is not a de Polignac number, because 490660089 - 2¹ = 490660087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490660089.

It is not an unprimeable number, because it can be changed into a prime (490660087) 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, 729 + ... + 31334.

It is an arithmetic number, because the mean of its divisors is an integer number (81795264).

Almost surely, 2^490660089 is an apocalyptic number.

It is an amenable number.

490660089 is a deficient number, since it is larger than the sum of its proper divisors (163702023).

490660089 is a wasteful number, since it uses less digits than its factorization.

490660089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37167.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 490660089 is about 22150.8484939065. The cubic root of 490660089 is about 788.7273688151.

The spelling of 490660089 in words is "four hundred ninety million, six hundred sixty thousand, eighty-nine".