966578 has 4 divisors (see below), whose sum is σ = 1449870. Its totient is φ = 483288.

The previous prime is 966557. The next prime is 966583. The reversal of 966578 is 875669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 875669 = 409 ⋅2141.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 289 = 983^2 + 17^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 966578.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241643 + ... + 241646.

2⁹⁶⁶⁵⁷⁸ is an apocalyptic number.

966578 is a deficient number, since it is larger than the sum of its proper divisors (483292).

966578 is a wasteful number, since it uses less digits than its factorization.

966578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483291.

The product of its digits is 90720, while the sum is 41.

The square root of 966578 is about 983.1469879931. The cubic root of 966578 is about 98.8732861710.

Subtracting from 966578 its reverse (875669), we obtain a palindrome (90909).

The spelling of 966578 in words is "nine hundred sixty-six thousand, five hundred seventy-eight".