499389488 has 40 divisors (see below), whose sum is σ = 1051266048. Its totient is φ = 228436992.

The previous prime is 499389439. The next prime is 499389497. The reversal of 499389488 is 884983994.

It is a self number, because there is not a number n which added to its sum of digits gives 499389488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12881 + ... + 34127.

Almost surely, 2^499389488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499389488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525633024).

499389488 is an abundant number, since it is smaller than the sum of its proper divisors (551876560).

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

499389488 is a wasteful number, since it uses less digits than its factorization.

499389488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21381 (or 21375 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 62.

The square root of 499389488 is about 22347.0241419299. The cubic root of 499389488 is about 793.3773519503.

The spelling of 499389488 in words is "four hundred ninety-nine million, three hundred eighty-nine thousand, four hundred eighty-eight".