968440061 has 4 divisors (see below), whose sum is σ = 979321500. Its totient is φ = 957558624.

The previous prime is 968440021. The next prime is 968440063. The reversal of 968440061 is 160044869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160044869 = 37 ⋅4325537.

It can be written as a sum of positive squares in 2 ways, for example, as 259016836 + 709423225 = 16094^2 + 26635^2 .

It is a cyclic number.

It is not a de Polignac number, because 968440061 - 2¹⁰ = 968439037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 968439997 and 968440024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968440063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5440586 + ... + 5440763.

It is an arithmetic number, because the mean of its divisors is an integer number (244830375).

Almost surely, 2^968440061 is an apocalyptic number.

It is an amenable number.

968440061 is a deficient number, since it is larger than the sum of its proper divisors (10881439).

968440061 is a wasteful number, since it uses less digits than its factorization.

968440061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881438.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 968440061 is about 31119.7696167565. The cubic root of 968440061 is about 989.3673681566.

The spelling of 968440061 in words is "nine hundred sixty-eight million, four hundred forty thousand, sixty-one".