965778 has 16 divisors (see below), whose sum is σ = 2107296. Its totient is φ = 292640.

The previous prime is 965777. The next prime is 965779. The reversal of 965778 is 877569.

It is an interprime number because it is at equal distance from previous prime (965777) and next prime (965779).

It is not an unprimeable number, because it can be changed into a prime (965773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7251 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (131706).

2⁹⁶⁵⁷⁷⁸ is an apocalyptic number.

965778 is an abundant number, since it is smaller than the sum of its proper divisors (1141518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

965778 is a wasteful number, since it uses less digits than its factorization.

965778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649.

The product of its digits is 105840, while the sum is 42.

The square root of 965778 is about 982.7400470114. The cubic root of 965778 is about 98.8460007506.

Subtracting from 965778 its reverse (877569), we obtain a square (88209 = 297²).

The spelling of 965778 in words is "nine hundred sixty-five thousand, seven hundred seventy-eight".