801963 has 6 divisors (see below), whose sum is σ = 1158404. Its totient is φ = 534636.

The previous prime is 801959. The next prime is 801973. The reversal of 801963 is 369108.

It is not a de Polignac number, because 801963 - 2² = 801959 is a prime.

It is a Duffinian number.

801963 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801963.

It is not an unprimeable number, because it can be changed into a prime (801973) 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 5 ways as a sum of consecutive naturals, for example, 44545 + ... + 44562.

2⁸⁰¹⁹⁶³ is an apocalyptic number.

801963 is a deficient number, since it is larger than the sum of its proper divisors (356441).

801963 is a wasteful number, since it uses less digits than its factorization.

801963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89113 (or 89110 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 801963 is about 895.5238690286. The cubic root of 801963 is about 92.9076433108.

It can be divided in two parts, 801 and 963, that added together give a square (1764 = 42²).

The spelling of 801963 in words is "eight hundred one thousand, nine hundred sixty-three".