538479228 has 144 divisors (see below), whose sum is σ = 1553354880. Its totient is φ = 144353664.

The previous prime is 538479223. The next prime is 538479257. The reversal of 538479228 is 822974835.

Its product of digits (967680) is a multiple of the sum of its prime factors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538479223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1753851 + ... + 1754157.

Almost surely, 2^538479228 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 538479228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776677440).

538479228 is an abundant number, since it is smaller than the sum of its proper divisors (1014875652).

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

538479228 is a wasteful number, since it uses less digits than its factorization.

538479228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 495 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 538479228 is about 23205.1552031009. The cubic root of 538479228 is about 813.5601198777.

The spelling of 538479228 in words is "five hundred thirty-eight million, four hundred seventy-nine thousand, two hundred twenty-eight".