65896 has 8 divisors (see below), whose sum is σ = 123570. Its totient is φ = 32944.

The previous prime is 65881. The next prime is 65899. The reversal of 65896 is 69856.

It can be written as a sum of positive squares in only one way, i.e., 52900 + 12996 = 230^2 + 114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (65899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111 + ... + 4126.

2⁶⁵⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

65896 is a deficient number, since it is larger than the sum of its proper divisors (57674).

65896 is a wasteful number, since it uses less digits than its factorization.

65896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243 (or 8239 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 65896 is about 256.7021620478. The cubic root of 65896 is about 40.3911623318.

It can be divided in two parts, 65 and 896, that added together give a square (961 = 31²).

The spelling of 65896 in words is "sixty-five thousand, eight hundred ninety-six".