1946985 has 16 divisors (see below), whose sum is σ = 3132864. Its totient is φ = 1032512.

The previous prime is 1946981. The next prime is 1946999. The reversal of 1946985 is 5896491.

It is a cyclic number.

It is not a de Polignac number, because 1946985 - 2² = 1946981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1946981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4174 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (195804).

2^1946985 is an apocalyptic number.

1946985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1946985 is a deficient number, since it is larger than the sum of its proper divisors (1185879).

1946985 is a wasteful number, since it uses less digits than its factorization.

1946985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its digits is 77760, while the sum is 42.

The square root of 1946985 is about 1395.3440435964. The cubic root of 1946985 is about 124.8688758331.

The spelling of 1946985 in words is "one million, nine hundred forty-six thousand, nine hundred eighty-five".