538906672 has 20 divisors (see below), whose sum is σ = 1044673960. Its totient is φ = 269313408.

The previous prime is 538906663. The next prime is 538906673. The reversal of 538906672 is 276609835.

It is a super-2 number, since 2×538906672² = 580840802252231168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (538906673) 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, 27604 + ... + 42892.

It is an arithmetic number, because the mean of its divisors is an integer number (52233698).

Almost surely, 2^538906672 is an apocalyptic number.

It is an amenable number.

538906672 is a deficient number, since it is larger than the sum of its proper divisors (505767288).

538906672 is a wasteful number, since it uses less digits than its factorization.

538906672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500 (or 17494 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 538906672 is about 23214.3634847049. The cubic root of 538906672 is about 813.7753305423.

The spelling of 538906672 in words is "five hundred thirty-eight million, nine hundred six thousand, six hundred seventy-two".