1946385 has 48 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 860544.

The previous prime is 1946377. The next prime is 1946389. The reversal of 1946385 is 5836491.

1946385 is a `hidden beast` number, since 19 + 4 + 638 + 5 = 666.

It is not a de Polignac number, because 1946385 - 2³ = 1946377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1946389) 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 in 47 ways as a sum of consecutive naturals, for example, 11572 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2^1946385 is an apocalyptic number.

1946385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1946385 is an abundant number, since it is smaller than the sum of its proper divisors (2037231).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1946385 is a wasteful number, since it uses less digits than its factorization.

1946385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 219 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1946385 is about 1395.1290262911. The cubic root of 1946385 is about 124.8560476187.

The spelling of 1946385 in words is "one million, nine hundred forty-six thousand, three hundred eighty-five".