538334412 has 192 divisors, whose sum is σ = 1661313024. Its totient is φ = 131535360.

The previous prime is 538334399. The next prime is 538334417. The reversal of 538334412 is 214433835.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (538334417) 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 63 ways as a sum of consecutive naturals, for example, 1551223 + ... + 1551569.

It is an arithmetic number, because the mean of its divisors is an integer number (8652672).

Almost surely, 2^538334412 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 538334412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830656512).

538334412 is an abundant number, since it is smaller than the sum of its proper divisors (1122978612).

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

538334412 is a wasteful number, since it uses less digits than its factorization.

538334412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 538334412 is about 23202.0346521593. The cubic root of 538334412 is about 813.4871816971.

The spelling of 538334412 in words is "five hundred thirty-eight million, three hundred thirty-four thousand, four hundred twelve".