498979845 has 96 divisors (see below), whose sum is σ = 1104160512. Its totient is φ = 210511872.

The previous prime is 498979807. The next prime is 498979913. The reversal of 498979845 is 548979894.

498979845 is a nontrivial binomial coefficient, being equal to C(31591, 2).

It is not a de Polignac number, because 498979845 - 2⁶ = 498979781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 108309 + ... + 112821.

It is an arithmetic number, because the mean of its divisors is an integer number (11501672).

Almost surely, 2^498979845 is an apocalyptic number.

498979845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

498979845 is the 31590-th triangular number.

It is an amenable number.

498979845 is an abundant number, since it is smaller than the sum of its proper divisors (605180667).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

498979845 is a wasteful number, since it uses less digits than its factorization.

498979845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4541 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 498979845 is about 22337.8567682757. The cubic root of 498979845 is about 793.1603600753.

The spelling of 498979845 in words is "four hundred ninety-eight million, nine hundred seventy-nine thousand, eight hundred forty-five".