499861349 has 8 divisors (see below), whose sum is σ = 538487040. Its totient is φ = 461260656.

The previous prime is 499861331. The next prime is 499861357. The reversal of 499861349 is 943168994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499861349 - 2²⁰ = 498812773 is a prime.

It is a super-2 number, since 2×499861349² = 499722736448199602, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 499861349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499861049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68264 + ... + 75230.

It is an arithmetic number, because the mean of its divisors is an integer number (67310880).

Almost surely, 2^499861349 is an apocalyptic number.

It is an amenable number.

499861349 is a deficient number, since it is larger than the sum of its proper divisors (38625691).

499861349 is a wasteful number, since it uses less digits than its factorization.

499861349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12499.

The product of its digits is 1679616, while the sum is 53.

The square root of 499861349 is about 22357.5792294246. The cubic root of 499861349 is about 793.6271542872.

The spelling of 499861349 in words is "four hundred ninety-nine million, eight hundred sixty-one thousand, three hundred forty-nine".