538795320 has 128 divisors (see below), whose sum is σ = 1868313600. Its totient is φ = 121752576.

The previous prime is 538795319. The next prime is 538795337. The reversal of 538795320 is 23597835.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71157 + ... + 78363.

It is an arithmetic number, because the mean of its divisors is an integer number (14596200).

Almost surely, 2^538795320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538795320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934156800).

538795320 is an abundant number, since it is smaller than the sum of its proper divisors (1329518280).

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

538795320 is a wasteful number, since it uses less digits than its factorization.

538795320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317 (or 7313 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 538795320 is about 23211.9650180677. The cubic root of 538795320 is about 813.7192776998.

The spelling of 538795320 in words is "five hundred thirty-eight million, seven hundred ninety-five thousand, three hundred twenty".