489416394 has 8 divisors (see below), whose sum is σ = 978832800. Its totient is φ = 163138796.

The previous prime is 489416371. The next prime is 489416401. The reversal of 489416394 is 493614984.

It is a happy number.

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

489416394 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40784694 + ... + 40784705.

It is an arithmetic number, because the mean of its divisors is an integer number (122354100).

Almost surely, 2^489416394 is an apocalyptic number.

489416394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489416394 is a wasteful number, since it uses less digits than its factorization.

489416394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81569404.

The product of its digits is 746496, while the sum is 48.

The square root of 489416394 is about 22122.7573778677. The cubic root of 489416394 is about 788.0603990998.

The spelling of 489416394 in words is "four hundred eighty-nine million, four hundred sixteen thousand, three hundred ninety-four".