498900001 has 4 divisors (see below), whose sum is σ = 499103892. Its totient is φ = 498696112.

The previous prime is 498899993. The next prime is 498900041. The reversal of 498900001 is 100009894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100009894 = 2 ⋅50004947.

It can be written as a sum of positive squares in 2 ways, for example, as 312440976 + 186459025 = 17676^2 + 13655^2 .

It is a cyclic number.

It is not a de Polignac number, because 498900001 - 2³ = 498899993 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498900041) 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, 98230 + ... + 103183.

It is an arithmetic number, because the mean of its divisors is an integer number (124775973).

Almost surely, 2^498900001 is an apocalyptic number.

It is an amenable number.

498900001 is a deficient number, since it is larger than the sum of its proper divisors (203891).

498900001 is a wasteful number, since it uses less digits than its factorization.

498900001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203890.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 498900001 is about 22336.0695065179. The cubic root of 498900001 is about 793.1180521047.

Adding to 498900001 its reverse (100009894), we get a palindrome (598909895).

The spelling of 498900001 in words is "four hundred ninety-eight million, nine hundred thousand, one".