969019844 has 12 divisors (see below), whose sum is σ = 1826229804. Its totient is φ = 447239904.

The previous prime is 969019837. The next prime is 969019853. The reversal of 969019844 is 448910969.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 364351744 + 604668100 = 19088^2 + 24590^2 .

It is a junction number, because it is equal to n+sod(n) for n = 969019792 and 969019801.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9317447 + ... + 9317550.

It is an arithmetic number, because the mean of its divisors is an integer number (152185817).

Almost surely, 2^969019844 is an apocalyptic number.

It is an amenable number.

969019844 is a deficient number, since it is larger than the sum of its proper divisors (857209960).

969019844 is a wasteful number, since it uses less digits than its factorization.

969019844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18635014 (or 18635012 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 969019844 is about 31129.0835714770. The cubic root of 969019844 is about 989.5647660033.

The spelling of 969019844 in words is "nine hundred sixty-nine million, nineteen thousand, eight hundred forty-four".