537289220 has 96 divisors (see below), whose sum is σ = 1300750080. Its totient is φ = 184757760.

The previous prime is 537289219. The next prime is 537289229. The reversal of 537289220 is 22982735.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (537289229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300449 + ... + 302231.

It is an arithmetic number, because the mean of its divisors is an integer number (13549480).

Almost surely, 2^537289220 is an apocalyptic number.

It is a pronic number, being equal to 23179×23180.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537289220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650375040).

537289220 is an abundant number, since it is smaller than the sum of its proper divisors (763460860).

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

537289220 is a wasteful number, since it uses less digits than its factorization.

537289220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 537289220 is about 23179.4999946073. The cubic root of 537289220 is about 812.9603708947.

The spelling of 537289220 in words is "five hundred thirty-seven million, two hundred eighty-nine thousand, two hundred twenty".