489340929 has 16 divisors (see below), whose sum is σ = 813450240. Its totient is φ = 254202960.

The previous prime is 489340913. The next prime is 489340933. The reversal of 489340929 is 929043984.

It is not a de Polignac number, because 489340929 - 2⁴ = 489340913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489340909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058949 + ... + 1059410.

It is an arithmetic number, because the mean of its divisors is an integer number (50840640).

Almost surely, 2^489340929 is an apocalyptic number.

It is an amenable number.

489340929 is a deficient number, since it is larger than the sum of its proper divisors (324109311).

489340929 is a wasteful number, since it uses less digits than its factorization.

489340929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118380.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 489340929 is about 22121.0517155039. The cubic root of 489340929 is about 788.0198923277.

The spelling of 489340929 in words is "four hundred eighty-nine million, three hundred forty thousand, nine hundred twenty-nine".