2093493 has 4 divisors (see below), whose sum is σ = 2791328. Its totient is φ = 1395660.

The previous prime is 2093491. The next prime is 2093503. The reversal of 2093493 is 3943902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2093493 - 2¹ = 2093491 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2093493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348913 + ... + 348918.

It is an arithmetic number, because the mean of its divisors is an integer number (697832).

2^2093493 is an apocalyptic number.

It is an amenable number.

2093493 is a deficient number, since it is larger than the sum of its proper divisors (697835).

2093493 is an equidigital number, since it uses as much as digits as its factorization.

2093493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697834.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 2093493 is about 1446.8908044493. The cubic root of 2093493 is about 127.9255141179.

It can be divided in two parts, 209 and 3493, that multiplied together give a palindrome (730037).

The spelling of 2093493 in words is "two million, ninety-three thousand, four hundred ninety-three".