963688445 has 6 divisors (see below), whose sum is σ = 1156509438. Its totient is φ = 770895224.

The previous prime is 963688409. The next prime is 963688447. The reversal of 963688445 is 544886369.

It can be written as a sum of positive squares in only one way, i.e., 770950756 + 192737689 = 27766^2 + 13883^2 .

It is not a de Polignac number, because 963688445 - 2⁶ = 963688381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963688447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62474 + ... + 76356.

It is an arithmetic number, because the mean of its divisors is an integer number (192751573).

Almost surely, 2^963688445 is an apocalyptic number.

It is an amenable number.

963688445 is a deficient number, since it is larger than the sum of its proper divisors (192820993).

963688445 is an frugal number, since it uses more digits than its factorization.

963688445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27771 (or 13888 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 963688445 is about 31043.3317316296. The cubic root of 963688445 is about 987.7466161815.

The spelling of 963688445 in words is "nine hundred sixty-three million, six hundred eighty-eight thousand, four hundred forty-five".