2093643 has 12 divisors (see below), whose sum is σ = 3037320. Its totient is φ = 1389696.

The previous prime is 2093639. The next prime is 2093653. The reversal of 2093643 is 3463902.

It is not a de Polignac number, because 2093643 - 2² = 2093639 is a prime.

It is a super-2 number, since 2×2093643² = 8766682022898, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2093603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2848 + ... + 3506.

It is an arithmetic number, because the mean of its divisors is an integer number (253110).

2^2093643 is an apocalyptic number.

2093643 is a deficient number, since it is larger than the sum of its proper divisors (943677).

2093643 is a wasteful number, since it uses less digits than its factorization.

2093643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2093643 is about 1446.9426388078. The cubic root of 2093643 is about 127.9285693576.

The spelling of 2093643 in words is "two million, ninety-three thousand, six hundred forty-three".