2173963 has 8 divisors (see below), whose sum is σ = 2383920. Its totient is φ = 1966080.

The previous prime is 2173957. The next prime is 2173967. The reversal of 2173963 is 3693712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2173963 - 2¹³ = 2165771 is a prime.

It is a super-2 number, since 2×2173963² = 9452230250738, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 7⁵ + 3⁶ + 9 + 6³ + 3¹⁰ .

2173963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2173967) 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, 2443 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (297990).

2^2173963 is an apocalyptic number.

2173963 is a deficient number, since it is larger than the sum of its proper divisors (209957).

2173963 is a wasteful number, since it uses less digits than its factorization.

2173963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037.

The product of its digits is 6804, while the sum is 31.

The square root of 2173963 is about 1474.4365025324. The cubic root of 2173963 is about 129.5440238312.

It can be divided in two parts, 2173 and 963, that added together give a square (3136 = 56²).

The spelling of 2173963 in words is "two million, one hundred seventy-three thousand, nine hundred sixty-three".