1960985 has 8 divisors (see below), whose sum is σ = 2534280. Its totient is φ = 1448064.

The previous prime is 1960979. The next prime is 1960991. The reversal of 1960985 is 5890691.

It is an interprime number because it is at equal distance from previous prime (1960979) and next prime (1960991).

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 1907161 = 232^2 + 1381^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1960985 - 2⁴ = 1960969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15020 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (316785).

2^1960985 is an apocalyptic number.

It is an amenable number.

1960985 is a deficient number, since it is larger than the sum of its proper divisors (573295).

1960985 is a wasteful number, since it uses less digits than its factorization.

1960985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30187.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1960985 is about 1400.3517415278. The cubic root of 1960985 is about 125.1674555689.

The spelling of 1960985 in words is "one million, nine hundred sixty thousand, nine hundred eighty-five".