489029389 has 4 divisors (see below), whose sum is σ = 489473856. Its totient is φ = 488584924.

The previous prime is 489029369. The next prime is 489029413. The reversal of 489029389 is 983920984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489029389 - 2¹⁷ = 488898317 is a prime.

It is a super-3 number, since 3×489029389³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489029339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220579 + ... + 222784.

It is an arithmetic number, because the mean of its divisors is an integer number (122368464).

Almost surely, 2^489029389 is an apocalyptic number.

It is an amenable number.

489029389 is a deficient number, since it is larger than the sum of its proper divisors (444467).

489029389 is a wasteful number, since it uses less digits than its factorization.

489029389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444466.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 489029389 is about 22114.0088857719. The cubic root of 489029389 is about 787.8526252817.

The spelling of 489029389 in words is "four hundred eighty-nine million, twenty-nine thousand, three hundred eighty-nine".