489581386 has 8 divisors (see below), whose sum is σ = 839282400. Its totient is φ = 209820588.

The previous prime is 489581371. The next prime is 489581431. The reversal of 489581386 is 683185984.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17485036 + ... + 17485063.

It is an arithmetic number, because the mean of its divisors is an integer number (104910300).

Almost surely, 2^489581386 is an apocalyptic number.

489581386 is a deficient number, since it is larger than the sum of its proper divisors (349701014).

489581386 is a wasteful number, since it uses less digits than its factorization.

489581386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34970108.

The product of its digits is 1658880, while the sum is 52.

The square root of 489581386 is about 22126.4860743861. The cubic root of 489581386 is about 788.1489460947.

The spelling of 489581386 in words is "four hundred eighty-nine million, five hundred eighty-one thousand, three hundred eighty-six".