498723828 has 12 divisors (see below), whose sum is σ = 1163688960. Its totient is φ = 166241272.

The previous prime is 498723811. The next prime is 498723829. The reversal of 498723828 is 828327894.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×498723828² = 497450913229947168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498723829) 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, 20780148 + ... + 20780171.

It is an arithmetic number, because the mean of its divisors is an integer number (96974080).

Almost surely, 2^498723828 is an apocalyptic number.

It is an amenable number.

498723828 is an abundant number, since it is smaller than the sum of its proper divisors (664965132).

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

498723828 is a wasteful number, since it uses less digits than its factorization.

498723828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41560326 (or 41560324 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 498723828 is about 22332.1254698249. The cubic root of 498723828 is about 793.0246850730.

The spelling of 498723828 in words is "four hundred ninety-eight million, seven hundred twenty-three thousand, eight hundred twenty-eight".