538994016 has 108 divisors (see below), whose sum is σ = 1684882836. Its totient is φ = 163320960.

The previous prime is 538994009. The next prime is 538994017. The reversal of 538994016 is 610499835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538994017) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27115 + ... + 42581.

It is an arithmetic number, because the mean of its divisors is an integer number (15600767).

Almost surely, 2^538994016 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 538994016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842441418).

538994016 is an abundant number, since it is smaller than the sum of its proper divisors (1145888820).

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

538994016 is a wasteful number, since it uses less digits than its factorization.

538994016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15505 (or 15483 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 538994016 is about 23216.2446575668. The cubic root of 538994016 is about 813.8192927325.

The spelling of 538994016 in words is "five hundred thirty-eight million, nine hundred ninety-four thousand, sixteen".