538684830 has 96 divisors (see below), whose sum is σ = 1499516928. Its totient is φ = 138996000.

The previous prime is 538684801. The next prime is 538684843. The reversal of 538684830 is 38486835.

538684830 is a `hidden beast` number, since 538 + 6 + 84 + 8 + 30 = 666.

538684830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71755 + ... + 78905.

It is an arithmetic number, because the mean of its divisors is an integer number (15619968).

Almost surely, 2^538684830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538684830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749758464).

538684830 is an abundant number, since it is smaller than the sum of its proper divisors (960832098).

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

538684830 is a wasteful number, since it uses less digits than its factorization.

538684830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204 (or 7192 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 538684830 is about 23209.5848734957. The cubic root of 538684830 is about 813.6636511405.

The spelling of 538684830 in words is "five hundred thirty-eight million, six hundred eighty-four thousand, eight hundred thirty".