489935655 has 96 divisors (see below), whose sum is σ = 971006400. Its totient is φ = 234178560.

The previous prime is 489935629. The next prime is 489935659. The reversal of 489935655 is 556539984.

It is a happy number.

It is not a de Polignac number, because 489935655 - 2⁸ = 489935399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489935659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1453647 + ... + 1453983.

It is an arithmetic number, because the mean of its divisors is an integer number (10114650).

Almost surely, 2^489935655 is an apocalyptic number.

489935655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

489935655 is a deficient number, since it is larger than the sum of its proper divisors (481070745).

489935655 is a wasteful number, since it uses less digits than its factorization.

489935655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 445 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 489935655 is about 22134.4901680612. The cubic root of 489935655 is about 788.3390060285.

The spelling of 489935655 in words is "four hundred eighty-nine million, nine hundred thirty-five thousand, six hundred fifty-five".