959978 has 8 divisors (see below), whose sum is σ = 1457568. Its totient is φ = 474124.

The previous prime is 959969. The next prime is 960017. The reversal of 959978 is 879959.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

959978 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (182196).

2⁹⁵⁹⁹⁷⁸ is an apocalyptic number.

959978 is a deficient number, since it is larger than the sum of its proper divisors (497590).

959978 is a wasteful number, since it uses less digits than its factorization.

959978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868.

The product of its digits is 204120, while the sum is 47.

The square root of 959978 is about 979.7846702210. The cubic root of 959978 is about 98.6477294027.

The spelling of 959978 in words is "nine hundred fifty-nine thousand, nine hundred seventy-eight".