538287872 has 18 divisors (see below), whose sum is σ = 1074473568. Its totient is φ = 269143808.

The previous prime is 538287859. The next prime is 538287901. The reversal of 538287872 is 278782835.

It is a self number, because there is not a number n which added to its sum of digits gives 538287872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051088 + ... + 1051599.

It is an arithmetic number, because the mean of its divisors is an integer number (59692976).

Almost surely, 2^538287872 is an apocalyptic number.

It is an amenable number.

538287872 is a deficient number, since it is larger than the sum of its proper divisors (536185696).

538287872 is an equidigital number, since it uses as much as digits as its factorization.

538287872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102703 (or 2102689 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 538287872 is about 23201.0317011981. The cubic root of 538287872 is about 813.4637385339.

The spelling of 538287872 in words is "five hundred thirty-eight million, two hundred eighty-seven thousand, eight hundred seventy-two".