498581923 has 4 divisors (see below), whose sum is σ = 569807920. Its totient is φ = 427355928.

The previous prime is 498581921. The next prime is 498581929. The reversal of 498581923 is 329185894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 498581923 - 2¹ = 498581921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498581921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35612988 + ... + 35613001.

It is an arithmetic number, because the mean of its divisors is an integer number (142451980).

Almost surely, 2^498581923 is an apocalyptic number.

498581923 is a deficient number, since it is larger than the sum of its proper divisors (71225997).

498581923 is an equidigital number, since it uses as much as digits as its factorization.

498581923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71225996.

The product of its digits is 622080, while the sum is 49.

The square root of 498581923 is about 22328.9480943460. The cubic root of 498581923 is about 792.9494631855.

The spelling of 498581923 in words is "four hundred ninety-eight million, five hundred eighty-one thousand, nine hundred twenty-three".