499958439 has 4 divisors (see below), whose sum is σ = 666611256. Its totient is φ = 333305624.

The previous prime is 499958413. The next prime is 499958441. The reversal of 499958439 is 934859994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499958439 - 2⁸ = 499958183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499958449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83326404 + ... + 83326409.

It is an arithmetic number, because the mean of its divisors is an integer number (166652814).

Almost surely, 2^499958439 is an apocalyptic number.

499958439 is a deficient number, since it is larger than the sum of its proper divisors (166652817).

499958439 is a wasteful number, since it uses less digits than its factorization.

499958439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166652816.

The product of its digits is 12597120, while the sum is 60.

The square root of 499958439 is about 22359.7504234730. The cubic root of 499958439 is about 793.6785340497.

The spelling of 499958439 in words is "four hundred ninety-nine million, nine hundred fifty-eight thousand, four hundred thirty-nine".