498596389 has 4 divisors (see below), whose sum is σ = 498712140. Its totient is φ = 498480640.

The previous prime is 498596377. The next prime is 498596429. The reversal of 498596389 is 983695894.

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

It can be written as a sum of positive squares in 2 ways, for example, as 253924225 + 244672164 = 15935^2 + 15642^2 .

It is a cyclic number.

It is not a de Polignac number, because 498596389 - 2²⁵ = 465041957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498596339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51154 + ... + 60115.

It is an arithmetic number, because the mean of its divisors is an integer number (124678035).

Almost surely, 2^498596389 is an apocalyptic number.

It is an amenable number.

498596389 is a deficient number, since it is larger than the sum of its proper divisors (115751).

498596389 is a wasteful number, since it uses less digits than its factorization.

498596389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115750.

The product of its digits is 16796160, while the sum is 61.

The square root of 498596389 is about 22329.2720212729. The cubic root of 498596389 is about 792.9571320663.

The spelling of 498596389 in words is "four hundred ninety-eight million, five hundred ninety-six thousand, three hundred eighty-nine".