1963894 has 4 divisors (see below), whose sum is σ = 2945844. Its totient is φ = 981946.

The previous prime is 1963889. The next prime is 1963921. The reversal of 1963894 is 4983691.

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

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490972 + ... + 490975.

It is an arithmetic number, because the mean of its divisors is an integer number (736461).

2^1963894 is an apocalyptic number.

1963894 is a deficient number, since it is larger than the sum of its proper divisors (981950).

1963894 is an equidigital number, since it uses as much as digits as its factorization.

1963894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981949.

The product of its digits is 46656, while the sum is 40.

The square root of 1963894 is about 1401.3900242259. The cubic root of 1963894 is about 125.2293177165.

The spelling of 1963894 in words is "one million, nine hundred sixty-three thousand, eight hundred ninety-four".