499999001 has 8 divisors (see below), whose sum is σ = 523322304. Its totient is φ = 476807760.

The previous prime is 499998997. The next prime is 499999021. The reversal of 499999001 is 100999994.

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 499999001 - 2² = 499998997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499999021) 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, 25226 + ... + 40451.

It is an arithmetic number, because the mean of its divisors is an integer number (65415288).

Almost surely, 2^499999001 is an apocalyptic number.

It is an amenable number.

499999001 is a deficient number, since it is larger than the sum of its proper divisors (23323303).

499999001 is a wasteful number, since it uses less digits than its factorization.

499999001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66031.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 499999001 is about 22360.6574366676. The cubic root of 499999001 is about 793.6999973792.

The spelling of 499999001 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, one".