538380546 has 48 divisors (see below), whose sum is σ = 1203703200. Its totient is φ = 160367680.

The previous prime is 538380541. The next prime is 538380547. The reversal of 538380546 is 645083835.

It is a super-2 number, since 2×538380546² = 579707224622516232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 538380498 and 538380507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538380541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36550 + ... + 49118.

It is an arithmetic number, because the mean of its divisors is an integer number (25077150).

Almost surely, 2^538380546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538380546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601851600).

538380546 is an abundant number, since it is smaller than the sum of its proper divisors (665322654).

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

538380546 is a wasteful number, since it uses less digits than its factorization.

538380546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655 (or 12644 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 538380546 is about 23203.0288109117. The cubic root of 538380546 is about 813.5104190163.

The spelling of 538380546 in words is "five hundred thirty-eight million, three hundred eighty thousand, five hundred forty-six".