975449928 has 16 divisors (see below), whose sum is σ = 2438624880. Its totient is φ = 325149968.

The previous prime is 975449927. The next prime is 975449929. The reversal of 975449928 is 829944579.

It is an interprime number because it is at equal distance from previous prime (975449927) and next prime (975449929).

It is not an unprimeable number, because it can be changed into a prime (975449921) by changing a digit.

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, 20321850 + ... + 20321897.

It is an arithmetic number, because the mean of its divisors is an integer number (152414055).

Almost surely, 2^975449928 is an apocalyptic number.

It is an amenable number.

975449928 is an abundant number, since it is smaller than the sum of its proper divisors (1463174952).

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

975449928 is a wasteful number, since it uses less digits than its factorization.

975449928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40643756 (or 40643752 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The square root of 975449928 is about 31232.1937750136. The cubic root of 975449928 is about 991.7487467436.

The spelling of 975449928 in words is "nine hundred seventy-five million, four hundred forty-nine thousand, nine hundred twenty-eight".