538007232 has 224 divisors, whose sum is σ = 1729638400. Its totient is φ = 144322560.

The previous prime is 538007221. The next prime is 538007243. The reversal of 538007232 is 232700835.

It is an interprime number because it is at equal distance from previous prime (538007221) and next prime (538007243).

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 538007232.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1541394 + ... + 1541742.

It is an arithmetic number, because the mean of its divisors is an integer number (7721600).

Almost surely, 2^538007232 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 538007232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864819200).

538007232 is an abundant number, since it is smaller than the sum of its proper divisors (1191631168).

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

538007232 is a wasteful number, since it uses less digits than its factorization.

538007232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 538007232 is about 23194.9829057924. The cubic root of 538007232 is about 813.3223456965.

The spelling of 538007232 in words is "five hundred thirty-eight million, seven thousand, two hundred thirty-two".