981472554 has 24 divisors (see below), whose sum is σ = 2161387332. Its totient is φ = 321793920.

The previous prime is 981472523. The next prime is 981472559. The reversal of 981472554 is 455274189.

981472554 is a `hidden beast` number, since 98 + 1 + 4 + 7 + 2 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 981130329 + 342225 = 31323^2 + 585^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (981472559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445839 + ... + 448034.

Almost surely, 2^981472554 is an apocalyptic number.

981472554 is an abundant number, since it is smaller than the sum of its proper divisors (1179914778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981472554 is a wasteful number, since it uses less digits than its factorization.

981472554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893942 (or 893939 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 981472554 is about 31328.4623625227. The cubic root of 981472554 is about 993.7856464726.

The spelling of 981472554 in words is "nine hundred eighty-one million, four hundred seventy-two thousand, five hundred fifty-four".