538683240 has 32 divisors (see below), whose sum is σ = 1616050080. Its totient is φ = 143648832.

The previous prime is 538683239. The next prime is 538683247. The reversal of 538683240 is 42386835.

It is not an unprimeable number, because it can be changed into a prime (538683247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244394 + ... + 2244633.

It is an arithmetic number, because the mean of its divisors is an integer number (50501565).

Almost surely, 2^538683240 is an apocalyptic number.

It is an amenable number.

538683240 is an abundant number, since it is smaller than the sum of its proper divisors (1077366840).

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

538683240 is a wasteful number, since it uses less digits than its factorization.

538683240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489041 (or 4489037 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 538683240 is about 23209.5506203804. The cubic root of 538683240 is about 813.6628505942.

The spelling of 538683240 in words is "five hundred thirty-eight million, six hundred eighty-three thousand, two hundred forty".