499997814 has 8 divisors (see below), whose sum is σ = 999995640. Its totient is φ = 166665936.

The previous prime is 499997809. The next prime is 499997819. The reversal of 499997814 is 418799994.

It is an interprime number because it is at equal distance from previous prime (499997809) and next prime (499997819).

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

499997814 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499997819) 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, 41666479 + ... + 41666490.

It is an arithmetic number, because the mean of its divisors is an integer number (124999455).

Almost surely, 2^499997814 is an apocalyptic number.

499997814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499997814 is a wasteful number, since it uses less digits than its factorization.

499997814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83332974.

The product of its digits is 5878656, while the sum is 60.

The square root of 499997814 is about 22360.6308944985. The cubic root of 499997814 is about 793.6993692962.

The spelling of 499997814 in words is "four hundred ninety-nine million, nine hundred ninety-seven thousand, eight hundred fourteen".