981795552 has 24 divisors (see below), whose sum is σ = 2577213576. Its totient is φ = 327265152.

The previous prime is 981795541. The next prime is 981795557. The reversal of 981795552 is 255597189.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 981795495 and 981795504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981795557) 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 3 ways as a sum of consecutive naturals, for example, 5113423 + ... + 5113614.

It is an arithmetic number, because the mean of its divisors is an integer number (107383899).

Almost surely, 2^981795552 is an apocalyptic number.

It is an amenable number.

981795552 is an abundant number, since it is smaller than the sum of its proper divisors (1595418024).

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

981795552 is a wasteful number, since it uses less digits than its factorization.

981795552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227050 (or 10227042 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 51.

The square root of 981795552 is about 31333.6169632553. The cubic root of 981795552 is about 993.8946512428.

The spelling of 981795552 in words is "nine hundred eighty-one million, seven hundred ninety-five thousand, five hundred fifty-two".