499346686 has 4 divisors (see below), whose sum is σ = 749020032. Its totient is φ = 249673342.

The previous prime is 499346669. The next prime is 499346699. The reversal of 499346686 is 686643994.

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

It is a super-2 number, since 2×499346686² = 498694225638365192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 124836670 + ... + 124836673.

It is an arithmetic number, because the mean of its divisors is an integer number (187255008).

Almost surely, 2^499346686 is an apocalyptic number.

499346686 is a deficient number, since it is larger than the sum of its proper divisors (249673346).

499346686 is a wasteful number, since it uses less digits than its factorization.

499346686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249673345.

The product of its digits is 6718464, while the sum is 55.

The square root of 499346686 is about 22346.0664547477. The cubic root of 499346686 is about 793.3546848682.

The spelling of 499346686 in words is "four hundred ninety-nine million, three hundred forty-six thousand, six hundred eighty-six".