538643954 has 8 divisors (see below), whose sum is σ = 820025328. Its totient is φ = 265302180.

The previous prime is 538643947. The next prime is 538643983. The reversal of 538643954 is 459346835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 538643899 and 538643908.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2009732 + ... + 2009999.

It is an arithmetic number, because the mean of its divisors is an integer number (102503166).

Almost surely, 2^538643954 is an apocalyptic number.

538643954 is a deficient number, since it is larger than the sum of its proper divisors (281381374).

538643954 is a wasteful number, since it uses less digits than its factorization.

538643954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019800.

The product of its digits is 1555200, while the sum is 47.

The square root of 538643954 is about 23208.7042723199. The cubic root of 538643954 is about 813.6430700543.

The spelling of 538643954 in words is "five hundred thirty-eight million, six hundred forty-three thousand, nine hundred fifty-four".