489739635 has 96 divisors (see below), whose sum is σ = 1093962240. Its totient is φ = 203480640.

The previous prime is 489739633. The next prime is 489739637. The reversal of 489739635 is 536937984.

489739635 is a `hidden beast` number, since 489 + 73 + 96 + 3 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (489739633) and next prime (489739637).

It is not a de Polignac number, because 489739635 - 2¹ = 489739633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489739633) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112204 + ... + 116486.

It is an arithmetic number, because the mean of its divisors is an integer number (11395440).

Almost surely, 2^489739635 is an apocalyptic number.

489739635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

489739635 is an abundant number, since it is smaller than the sum of its proper divisors (604222605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489739635 is a wasteful number, since it uses less digits than its factorization.

489739635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4309 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 489739635 is about 22130.0617938586. The cubic root of 489739635 is about 788.2338556047.

The spelling of 489739635 in words is "four hundred eighty-nine million, seven hundred thirty-nine thousand, six hundred thirty-five".