2102943 has 8 divisors (see below), whose sum is σ = 2825856. Its totient is φ = 1391000.

The previous prime is 2102941. The next prime is 2102999. The reversal of 2102943 is 3492012.

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 2102943 - 2¹ = 2102941 is a prime.

It is a super-2 number, since 2×2102943² = 8844738522498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102941) 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, 2283 + ... + 3068.

It is an arithmetic number, because the mean of its divisors is an integer number (353232).

2^2102943 is an apocalyptic number.

2102943 is a deficient number, since it is larger than the sum of its proper divisors (722913).

2102943 is a wasteful number, since it uses less digits than its factorization.

2102943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2102943 is about 1450.1527505749. The cubic root of 2102943 is about 128.1177099164.

Adding to 2102943 its reverse (3492012), we get a palindrome (5594955).

The spelling of 2102943 in words is "two million, one hundred two thousand, nine hundred forty-three".