481398291 has 12 divisors (see below), whose sum is σ = 758567160. Its totient is φ = 291756480.

The previous prime is 481398263. The next prime is 481398301. The reversal of 481398291 is 192893184.

481398291 is a `hidden beast` number, since 481 + 3 + 9 + 82 + 91 = 666.

It is not a de Polignac number, because 481398291 - 2⁹ = 481397779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481398221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2431206 + ... + 2431403.

It is an arithmetic number, because the mean of its divisors is an integer number (63213930).

Almost surely, 2^481398291 is an apocalyptic number.

481398291 is a deficient number, since it is larger than the sum of its proper divisors (277168869).

481398291 is a wasteful number, since it uses less digits than its factorization.

481398291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862626 (or 4862623 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 481398291 is about 21940.7905737236. The cubic root of 481398291 is about 783.7330861791.

The spelling of 481398291 in words is "four hundred eighty-one million, three hundred ninety-eight thousand, two hundred ninety-one".