538650384 has 20 divisors (see below), whose sum is σ = 1391513616. Its totient is φ = 179550112.

The previous prime is 538650383. The next prime is 538650397. The reversal of 538650384 is 483056835.

It is a super-4 number, since 4×538650384⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (538650383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5610894 + ... + 5610989.

Almost surely, 2^538650384 is an apocalyptic number.

It is an amenable number.

538650384 is an abundant number, since it is smaller than the sum of its proper divisors (852863232).

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

538650384 is a wasteful number, since it uses less digits than its factorization.

538650384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221894 (or 11221888 counting only the distinct ones).

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

The square root of 538650384 is about 23208.8427975201. The cubic root of 538650384 is about 813.6463076315.

The spelling of 538650384 in words is "five hundred thirty-eight million, six hundred fifty thousand, three hundred eighty-four".