1896385 has 4 divisors (see below), whose sum is σ = 2275668. Its totient is φ = 1517104.

The previous prime is 1896353. The next prime is 1896407. The reversal of 1896385 is 5836981.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 1192464 = 839^2 + 1092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1896385 - 2⁵ = 1896353 is a prime.

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 an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 189634 + ... + 189643.

It is an arithmetic number, because the mean of its divisors is an integer number (568917).

2^1896385 is an apocalyptic number.

It is an amenable number.

1896385 is a deficient number, since it is larger than the sum of its proper divisors (379283).

1896385 is an equidigital number, since it uses as much as digits as its factorization.

1896385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379282.

The product of its digits is 51840, while the sum is 40.

The square root of 1896385 is about 1377.0929525635. The cubic root of 1896385 is about 123.7776321658. Note that the first 3 decimals are identical.

The spelling of 1896385 in words is "one million, eight hundred ninety-six thousand, three hundred eighty-five".