489089903 has 4 divisors (see below), whose sum is σ = 490567848. Its totient is φ = 487611960.

The previous prime is 489089899. The next prime is 489089927. The reversal of 489089903 is 309980984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489089903 - 2² = 489089899 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 (489089933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738476 + ... + 739137.

It is an arithmetic number, because the mean of its divisors is an integer number (122641962).

Almost surely, 2^489089903 is an apocalyptic number.

489089903 is a deficient number, since it is larger than the sum of its proper divisors (1477945).

489089903 is a wasteful number, since it uses less digits than its factorization.

489089903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477944.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 489089903 is about 22115.3770711693. The cubic root of 489089903 is about 787.8851210433.

The spelling of 489089903 in words is "four hundred eighty-nine million, eighty-nine thousand, nine hundred three".