489940101 has 24 divisors (see below), whose sum is σ = 812645184. Its totient is φ = 278631360.

The previous prime is 489940097. The next prime is 489940127. The reversal of 489940101 is 101049984.

It is not a de Polignac number, because 489940101 - 2² = 489940097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489940141) 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, 5136 + ... + 31721.

It is an arithmetic number, because the mean of its divisors is an integer number (33860216).

Almost surely, 2^489940101 is an apocalyptic number.

It is an amenable number.

489940101 is a deficient number, since it is larger than the sum of its proper divisors (322705083).

489940101 is a wasteful number, since it uses less digits than its factorization.

489940101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37081 (or 37078 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 489940101 is about 22134.5905993312. The cubic root of 489940101 is about 788.3413906577.

The spelling of 489940101 in words is "four hundred eighty-nine million, nine hundred forty thousand, one hundred one".