945644766 has 48 divisors (see below), whose sum is σ = 2082862992. Its totient is φ = 286007040.

The previous prime is 945644729. The next prime is 945644797. The reversal of 945644766 is 667446549.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531270 + ... + 533046.

It is an arithmetic number, because the mean of its divisors is an integer number (43392979).

Almost surely, 2^945644766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945644766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041431496).

945644766 is an abundant number, since it is smaller than the sum of its proper divisors (1137218226).

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

945644766 is a wasteful number, since it uses less digits than its factorization.

945644766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2526 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 945644766 is about 30751.3376294430. The cubic root of 945644766 is about 981.5430245756.

The spelling of 945644766 in words is "nine hundred forty-five million, six hundred forty-four thousand, seven hundred sixty-six".