961678 has 4 divisors (see below), whose sum is σ = 1442520. Its totient is φ = 480838.

The previous prime is 961663. The next prime is 961679. The reversal of 961678 is 876169.

It is a semiprime because it is the product of two primes.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961679) 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 as a sum of consecutive naturals, namely, 240418 + ... + 240421.

It is an arithmetic number, because the mean of its divisors is an integer number (360630).

2⁹⁶¹⁶⁷⁸ is an apocalyptic number.

961678 is a deficient number, since it is larger than the sum of its proper divisors (480842).

961678 is a wasteful number, since it uses less digits than its factorization.

961678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480841.

The product of its digits is 18144, while the sum is 37.

The square root of 961678 is about 980.6518240436. The cubic root of 961678 is about 98.7059259602.

The spelling of 961678 in words is "nine hundred sixty-one thousand, six hundred seventy-eight".