1963788 has 24 divisors (see below), whose sum is σ = 4730880. Its totient is φ = 633360.

The previous prime is 1963781. The next prime is 1963799. The reversal of 1963788 is 8873691.

It is not an unprimeable number, because it can be changed into a prime (1963781) 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 7 ways as a sum of consecutive naturals, for example, 2268 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (197120).

2^1963788 is an apocalyptic number.

It is an amenable number.

1963788 is an abundant number, since it is smaller than the sum of its proper divisors (2767092).

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

1963788 is a wasteful number, since it uses less digits than its factorization.

1963788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317 (or 5315 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1963788 is about 1401.3522041229. The cubic root of 1963788 is about 125.2270646169.

Subtracting 1963788 from its reverse (8873691), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 1963788 in words is "one million, nine hundred sixty-three thousand, seven hundred eighty-eight".