499001 has 8 divisors (see below), whose sum is σ = 534600. Its totient is φ = 464128.

The previous prime is 498989. The next prime is 499021. The reversal of 499001 is 100994.

499001 = 499² + 500².

It can be written as a sum of positive squares in 4 ways, for example, as 179776 + 319225 = 424^2 + 565^2 .

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 499001 - 2⁶ = 498937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499021) 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, 2435 + ... + 2631.

It is an arithmetic number, because the mean of its divisors is an integer number (66825).

2⁴⁹⁹⁰⁰¹ is an apocalyptic number.

499001 is the 500-th centered square number.

It is an amenable number.

499001 is a deficient number, since it is larger than the sum of its proper divisors (35599).

499001 is a wasteful number, since it uses less digits than its factorization.

499001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 499001 is about 706.4000283126. The cubic root of 499001 is about 79.3171568992.

Adding to 499001 its reverse (100994), we get a palindrome (599995).

The spelling of 499001 in words is "four hundred ninety-nine thousand, one".