2090493 has 12 divisors (see below), whose sum is σ = 3151200. Its totient is φ = 1332936.

The previous prime is 2090489. The next prime is 2090497. The reversal of 2090493 is 3940902.

It is an interprime number because it is at equal distance from previous prime (2090489) and next prime (2090497).

It is not a de Polignac number, because 2090493 - 2² = 2090489 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4843 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (262600).

2^2090493 is an apocalyptic number.

2090493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2090493 is a deficient number, since it is larger than the sum of its proper divisors (1060707).

2090493 is a wasteful number, since it uses less digits than its factorization.

2090493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128 (or 10125 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2090493 is about 1445.8537270416. The cubic root of 2090493 is about 127.8643786524.

The spelling of 2090493 in words is "two million, ninety thousand, four hundred ninety-three".