489922389 has 24 divisors (see below), whose sum is σ = 776647872. Its totient is φ = 295134720.

The previous prime is 489922351. The next prime is 489922403. The reversal of 489922389 is 983229984.

It is a happy number.

It is not a de Polignac number, because 489922389 - 2⁷ = 489922261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489922339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1717 + ... + 31349.

It is an arithmetic number, because the mean of its divisors is an integer number (32360328).

Almost surely, 2^489922389 is an apocalyptic number.

It is an amenable number.

489922389 is a deficient number, since it is larger than the sum of its proper divisors (286725483).

489922389 is a wasteful number, since it uses less digits than its factorization.

489922389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29817 (or 29814 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 489922389 is about 22134.1904979604. The cubic root of 489922389 is about 788.3318906726.

The spelling of 489922389 in words is "four hundred eighty-nine million, nine hundred twenty-two thousand, three hundred eighty-nine".