538308498 has 64 divisors (see below), whose sum is σ = 1370799360. Its totient is φ = 137071872.

The previous prime is 538308473. The next prime is 538308517. The reversal of 538308498 is 894803835.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165 + ... + 32832.

It is an arithmetic number, because the mean of its divisors is an integer number (21418740).

Almost surely, 2^538308498 is an apocalyptic number.

538308498 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 538308498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685399680).

538308498 is an abundant number, since it is smaller than the sum of its proper divisors (832490862).

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

538308498 is a wasteful number, since it uses less digits than its factorization.

538308498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34051.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 538308498 is about 23201.4762030350. The cubic root of 538308498 is about 813.4741284446.

The spelling of 538308498 in words is "five hundred thirty-eight million, three hundred eight thousand, four hundred ninety-eight".