489574581 has 8 divisors (see below), whose sum is σ = 653733024. Its totient is φ = 325899600.

The previous prime is 489574571. The next prime is 489574583. The reversal of 489574581 is 185475984.

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

It is not a de Polignac number, because 489574581 - 2⁹ = 489574069 is a prime.

It is a super-2 number, since 2×489574581² = 479366540722651122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489574583) 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, 118495 + ... + 122556.

It is an arithmetic number, because the mean of its divisors is an integer number (81716628).

Almost surely, 2^489574581 is an apocalyptic number.

It is an amenable number.

489574581 is a deficient number, since it is larger than the sum of its proper divisors (164158443).

489574581 is a wasteful number, since it uses less digits than its factorization.

489574581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241731.

The product of its digits is 1612800, while the sum is 51.

The square root of 489574581 is about 22126.3322988696. The cubic root of 489574581 is about 788.1452944183.

The spelling of 489574581 in words is "four hundred eighty-nine million, five hundred seventy-four thousand, five hundred eighty-one".