2169963 has 8 divisors (see below), whose sum is σ = 3214800. Its totient is φ = 1446624.

The previous prime is 2169941. The next prime is 2169967. The reversal of 2169963 is 3699612.

It is not a de Polignac number, because 2169963 - 2⁸ = 2169707 is a prime.

2169963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2169967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40158 + ... + 40211.

It is an arithmetic number, because the mean of its divisors is an integer number (401850).

2^2169963 is an apocalyptic number.

2169963 is a deficient number, since it is larger than the sum of its proper divisors (1044837).

2169963 is an equidigital number, since it uses as much as digits as its factorization.

2169963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80378 (or 80372 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 2169963 is about 1473.0794275938. The cubic root of 2169963 is about 129.4645232098.

The spelling of 2169963 in words is "two million, one hundred sixty-nine thousand, nine hundred sixty-three".