499552389 has 24 divisors (see below), whose sum is σ = 868063040. Its totient is φ = 270433728.

The previous prime is 499552381. The next prime is 499552411. The reversal of 499552389 is 983255994.

It is a happy number.

499552389 is a `hidden beast` number, since 4 + 9 + 9 + 552 + 3 + 89 = 666.

It is not a de Polignac number, because 499552389 - 2³ = 499552381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499552381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207472 + ... + 209865.

Almost surely, 2^499552389 is an apocalyptic number.

It is an amenable number.

499552389 is a deficient number, since it is larger than the sum of its proper divisors (368510651).

499552389 is a wasteful number, since it uses less digits than its factorization.

499552389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417369 (or 417366 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 499552389 is about 22350.6686477161. The cubic root of 499552389 is about 793.4636092149.

The spelling of 499552389 in words is "four hundred ninety-nine million, five hundred fifty-two thousand, three hundred eighty-nine".