499965387 has 4 divisors (see below), whose sum is σ = 666620520. Its totient is φ = 333310256.

The previous prime is 499965383. The next prime is 499965407. The reversal of 499965387 is 783569994.

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 499965387 - 2² = 499965383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499965387.

It is not an unprimeable number, because it can be changed into a prime (499965383) 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, 83327562 + ... + 83327567.

It is an arithmetic number, because the mean of its divisors is an integer number (166655130).

Almost surely, 2^499965387 is an apocalyptic number.

499965387 is a deficient number, since it is larger than the sum of its proper divisors (166655133).

499965387 is a wasteful number, since it uses less digits than its factorization.

499965387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166655132.

The product of its digits is 14696640, while the sum is 60.

The square root of 499965387 is about 22359.9057913937. The cubic root of 499965387 is about 793.6822106573.

The spelling of 499965387 in words is "four hundred ninety-nine million, nine hundred sixty-five thousand, three hundred eighty-seven".