968651 has 4 divisors (see below), whose sum is σ = 970632. Its totient is φ = 966672.

The previous prime is 968647. The next prime is 968659. The reversal of 968651 is 156869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156869 = 103 ⋅1523.

It is a cyclic number.

It is not a de Polignac number, because 968651 - 2² = 968647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (968659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (242658).

2⁹⁶⁸⁶⁵¹ is an apocalyptic number.

968651 is a deficient number, since it is larger than the sum of its proper divisors (1981).

968651 is a wasteful number, since it uses less digits than its factorization.

968651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 12960, while the sum is 35.

The square root of 968651 is about 984.2006909162. The cubic root of 968651 is about 98.9439195356.

The spelling of 968651 in words is "nine hundred sixty-eight thousand, six hundred fifty-one".