963978241 has 4 divisors (see below), whose sum is σ = 997218900. Its totient is φ = 930737584.

The previous prime is 963978227. The next prime is 963978247. The reversal of 963978241 is 142879369.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234978241 + 729000000 = 15329^2 + 27000^2 .

It is a cyclic number.

It is not a de Polignac number, because 963978241 - 2⁵ = 963978209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963978247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16620286 + ... + 16620343.

It is an arithmetic number, because the mean of its divisors is an integer number (249304725).

Almost surely, 2^963978241 is an apocalyptic number.

It is an amenable number.

963978241 is a deficient number, since it is larger than the sum of its proper divisors (33240659).

963978241 is a wasteful number, since it uses less digits than its factorization.

963978241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33240658.

The product of its digits is 653184, while the sum is 49.

The square root of 963978241 is about 31047.9989854419. The cubic root of 963978241 is about 987.8456164797.

The spelling of 963978241 in words is "nine hundred sixty-three million, nine hundred seventy-eight thousand, two hundred forty-one".