538481954 has 8 divisors (see below), whose sum is σ = 807984720. Its totient is φ = 269153716.

The previous prime is 538481893. The next prime is 538481959. The reversal of 538481954 is 459184835.

It is a happy number.

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 = 538481899 and 538481908.

It is not an unprimeable number, because it can be changed into a prime (538481959) 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, 35624 + ... + 48435.

It is an arithmetic number, because the mean of its divisors is an integer number (100998090).

Almost surely, 2^538481954 is an apocalyptic number.

538481954 is a deficient number, since it is larger than the sum of its proper divisors (269502766).

538481954 is a wasteful number, since it uses less digits than its factorization.

538481954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87264.

The product of its digits is 691200, while the sum is 47.

The square root of 538481954 is about 23205.2139399748. The cubic root of 538481954 is about 813.5614927324.

The spelling of 538481954 in words is "five hundred thirty-eight million, four hundred eighty-one thousand, nine hundred fifty-four".