499998383 has 4 divisors (see below), whose sum is σ = 501944160. Its totient is φ = 498052608.

The previous prime is 499998377. The next prime is 499998397. The reversal of 499998383 is 383899994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383899994 = 2 ⋅191949997.

It is a cyclic number.

It is not a de Polignac number, because 499998383 - 2¹⁰ = 499997359 is a prime.

It is a super-2 number, since 2×499998383² = 499996766005229378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499998283) 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, 972503 + ... + 973016.

It is an arithmetic number, because the mean of its divisors is an integer number (125486040).

Almost surely, 2^499998383 is an apocalyptic number.

499998383 is a deficient number, since it is larger than the sum of its proper divisors (1945777).

499998383 is a wasteful number, since it uses less digits than its factorization.

499998383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945776.

The product of its digits is 15116544, while the sum is 62.

The square root of 499998383 is about 22360.6436177495. The cubic root of 499998383 is about 793.6996703740.

The spelling of 499998383 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, three hundred eighty-three".