969681328 has 40 divisors (see below), whose sum is σ = 2342350080. Its totient is φ = 377797440.

The previous prime is 969681319. The next prime is 969681329. The reversal of 969681328 is 823186969.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (969681329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392308 + ... + 394771.

It is an arithmetic number, because the mean of its divisors is an integer number (58558752).

Almost surely, 2^969681328 is an apocalyptic number.

It is an amenable number.

969681328 is an abundant number, since it is smaller than the sum of its proper divisors (1372668752).

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

969681328 is a wasteful number, since it uses less digits than its factorization.

969681328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787105 (or 787099 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 969681328 is about 31139.7066139037. The cubic root of 969681328 is about 989.7898843274.

The spelling of 969681328 in words is "nine hundred sixty-nine million, six hundred eighty-one thousand, three hundred twenty-eight".