981481548 has 12 divisors (see below), whose sum is σ = 2290123640. Its totient is φ = 327160512.

The previous prime is 981481477. The next prime is 981481559. The reversal of 981481548 is 845184189.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 981481497 and 981481506.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40895053 + ... + 40895076.

Almost surely, 2^981481548 is an apocalyptic number.

It is an amenable number.

981481548 is an abundant number, since it is smaller than the sum of its proper divisors (1308642092).

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

981481548 is a wasteful number, since it uses less digits than its factorization.

981481548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81790136 (or 81790134 counting only the distinct ones).

The product of its digits is 368640, while the sum is 48.

The square root of 981481548 is about 31328.6059057852. The cubic root of 981481548 is about 993.7886820748.

The spelling of 981481548 in words is "nine hundred eighty-one million, four hundred eighty-one thousand, five hundred forty-eight".