969146728 has 32 divisors (see below), whose sum is σ = 2028454560. Its totient is φ = 430274880.

The previous prime is 969146701. The next prime is 969146767. The reversal of 969146728 is 827641969.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 124275 + ... + 131842.

It is an arithmetic number, because the mean of its divisors is an integer number (63389205).

Almost surely, 2^969146728 is an apocalyptic number.

It is an amenable number.

969146728 is an abundant number, since it is smaller than the sum of its proper divisors (1059307832).

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

969146728 is a wasteful number, since it uses less digits than its factorization.

969146728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256177 (or 256173 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 969146728 is about 31131.1215345673. The cubic root of 969146728 is about 989.6079555061.

The spelling of 969146728 in words is "nine hundred sixty-nine million, one hundred forty-six thousand, seven hundred twenty-eight".