1960978 has 4 divisors (see below), whose sum is σ = 2941470. Its totient is φ = 980488.

The previous prime is 1960969. The next prime is 1960979. The reversal of 1960978 is 8790691.

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

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 263169 = 1303^2 + 513^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1960978.

It is not an unprimeable number, because it can be changed into a prime (1960979) 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, 490243 + ... + 490246.

2^1960978 is an apocalyptic number.

1960978 is a deficient number, since it is larger than the sum of its proper divisors (980492).

1960978 is an equidigital number, since it uses as much as digits as its factorization.

1960978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980491.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 1960978 is about 1400.3492421535. The cubic root of 1960978 is about 125.1673066347.

The spelling of 1960978 in words is "one million, nine hundred sixty thousand, nine hundred seventy-eight".