1963868 has 6 divisors (see below), whose sum is σ = 3436776. Its totient is φ = 981932.

The previous prime is 1963813. The next prime is 1963873. The reversal of 1963868 is 8683691.

It is a happy 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, 245480 + ... + 245487.

It is an arithmetic number, because the mean of its divisors is an integer number (572796).

2^1963868 is an apocalyptic number.

It is an amenable number.

1963868 is a deficient number, since it is larger than the sum of its proper divisors (1472908).

1963868 is a wasteful number, since it uses less digits than its factorization.

1963868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490971 (or 490969 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 1963868 is about 1401.3807476914. The cubic root of 1963868 is about 125.2287650769.

The spelling of 1963868 in words is "one million, nine hundred sixty-three thousand, eight hundred sixty-eight".