490678089 has 64 divisors (see below), whose sum is σ = 780337152. Its totient is φ = 270950400.

The previous prime is 490678087. The next prime is 490678103. The reversal of 490678089 is 980876094.

It is a happy number.

It is not a de Polignac number, because 490678089 - 2¹ = 490678087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490678087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3863544 + ... + 3863670.

It is an arithmetic number, because the mean of its divisors is an integer number (12192768).

Almost surely, 2^490678089 is an apocalyptic number.

It is an amenable number.

490678089 is a deficient number, since it is larger than the sum of its proper divisors (289659063).

490678089 is a wasteful number, since it uses less digits than its factorization.

490678089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 490678089 is about 22151.2547951578. The cubic root of 490678089 is about 788.7370135905.

The spelling of 490678089 in words is "four hundred ninety million, six hundred seventy-eight thousand, eighty-nine".