489729442 has 16 divisors (see below), whose sum is σ = 743973120. Its totient is φ = 241746912.

The previous prime is 489729433. The next prime is 489729463. The reversal of 489729442 is 244927984.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144823 + ... + 148165.

It is an arithmetic number, because the mean of its divisors is an integer number (46498320).

Almost surely, 2^489729442 is an apocalyptic number.

489729442 is a deficient number, since it is larger than the sum of its proper divisors (254243678).

489729442 is a wasteful number, since it uses less digits than its factorization.

489729442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257.

The product of its digits is 1161216, while the sum is 49.

The square root of 489729442 is about 22129.8314950657. The cubic root of 489729442 is about 788.2283870367.

The spelling of 489729442 in words is "four hundred eighty-nine million, seven hundred twenty-nine thousand, four hundred forty-two".