481191428 has 12 divisors (see below), whose sum is σ = 844500300. Its totient is φ = 239905632.

The previous prime is 481191419. The next prime is 481191467. The reversal of 481191428 is 824191184.

It can be written as a sum of positive squares in 2 ways, for example, as 391169284 + 90022144 = 19778^2 + 9488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 481191391 and 481191400.

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, 170951 + ... + 173742.

It is an arithmetic number, because the mean of its divisors is an integer number (70375025).

Almost surely, 2^481191428 is an apocalyptic number.

It is an amenable number.

481191428 is a deficient number, since it is larger than the sum of its proper divisors (363308872).

481191428 is a wasteful number, since it uses less digits than its factorization.

481191428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345046 (or 345044 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 481191428 is about 21936.0759480815. The cubic root of 481191428 is about 783.6208100532.

The spelling of 481191428 in words is "four hundred eighty-one million, one hundred ninety-one thousand, four hundred twenty-eight".