959819644 has 48 divisors (see below), whose sum is σ = 2022092800. Its totient is φ = 398064240.

The previous prime is 959819629. The next prime is 959819669. The reversal of 959819644 is 446918959.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31249 + ... + 53815.

Almost surely, 2^959819644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 959819644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011046400).

959819644 is an abundant number, since it is smaller than the sum of its proper divisors (1062273156).

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

959819644 is a wasteful number, since it uses less digits than its factorization.

959819644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22623 (or 22607 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The square root of 959819644 is about 30980.9561505129. The cubic root of 959819644 is about 986.4230486207.

It can be divided in two parts, 95981 and 9644, that added together give a square (105625 = 325²).

The spelling of 959819644 in words is "nine hundred fifty-nine million, eight hundred nineteen thousand, six hundred forty-four".