499998347 has 8 divisors (see below), whose sum is σ = 508079040. Its totient is φ = 491961600.

The previous prime is 499998307. The next prime is 499998377. The reversal of 499998347 is 743899994.

It is a happy number.

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 499998347 - 2⁶ = 499998283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499998347.

It is not an unprimeable number, because it can be changed into a prime (499998307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12347 + ... + 33947.

It is an arithmetic number, because the mean of its divisors is an integer number (63509880).

Almost surely, 2^499998347 is an apocalyptic number.

499998347 is a deficient number, since it is larger than the sum of its proper divisors (8080693).

499998347 is a wasteful number, since it uses less digits than its factorization.

499998347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973.

The product of its digits is 17635968, while the sum is 62.

The square root of 499998347 is about 22360.6428127637. The cubic root of 499998347 is about 793.6996513252.

The spelling of 499998347 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, three hundred forty-seven".