489890087 has 12 divisors (see below), whose sum is σ = 517190160. Its totient is φ = 463153152.

The previous prime is 489890057. The next prime is 489890113. The reversal of 489890087 is 780098984.

It is not a de Polignac number, because 489890087 - 2¹⁶ = 489824551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489890057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180839 + ... + 183527.

It is an arithmetic number, because the mean of its divisors is an integer number (43099180).

Almost surely, 2^489890087 is an apocalyptic number.

489890087 is a deficient number, since it is larger than the sum of its proper divisors (27300073).

489890087 is an equidigital number, since it uses as much as digits as its factorization.

489890087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2801 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 489890087 is about 22133.4608003358. The cubic root of 489890087 is about 788.3145646247.

The spelling of 489890087 in words is "four hundred eighty-nine million, eight hundred ninety thousand, eighty-seven".