489933829 has 32 divisors (see below), whose sum is σ = 680832000. Its totient is φ = 340381440.

The previous prime is 489933823. The next prime is 489933839. The reversal of 489933829 is 928339984.

It is a happy number.

It is not a de Polignac number, because 489933829 - 2¹⁹ = 489409541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489933829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489933823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15022 + ... + 34720.

It is an arithmetic number, because the mean of its divisors is an integer number (21276000).

Almost surely, 2^489933829 is an apocalyptic number.

It is an amenable number.

489933829 is a deficient number, since it is larger than the sum of its proper divisors (190898171).

489933829 is a wasteful number, since it uses less digits than its factorization.

489933829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753.

The product of its digits is 3359232, while the sum is 55.

The square root of 489933829 is about 22134.4489201787. The cubic root of 489933829 is about 788.3380266422.

The spelling of 489933829 in words is "four hundred eighty-nine million, nine hundred thirty-three thousand, eight hundred twenty-nine".