981550748 has 24 divisors (see below), whose sum is σ = 1733653152. Its totient is φ = 486235904.

The previous prime is 981550729. The next prime is 981550753. The reversal of 981550748 is 847055189.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 336665 + ... + 339567.

It is an arithmetic number, because the mean of its divisors is an integer number (72235548).

Almost surely, 2^981550748 is an apocalyptic number.

It is an amenable number.

981550748 is a deficient number, since it is larger than the sum of its proper divisors (752102404).

981550748 is a wasteful number, since it uses less digits than its factorization.

981550748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 981550748 is about 31329.7103082681. The cubic root of 981550748 is about 993.8120374335.

The spelling of 981550748 in words is "nine hundred eighty-one million, five hundred fifty thousand, seven hundred forty-eight".