2093819 has 24 divisors (see below), whose sum is σ = 2777040. Its totient is φ = 1560384.

The previous prime is 2093813. The next prime is 2093821. The reversal of 2093819 is 9183902.

It is a de Polignac number, because none of the positive numbers 2^k-2093819 is a prime.

It is a super-2 number, since 2×2093819² = 8768156009522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2093813) 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 23 ways as a sum of consecutive naturals, for example, 12017 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (115710).

2^2093819 is an apocalyptic number.

2093819 is a deficient number, since it is larger than the sum of its proper divisors (683221).

2093819 is a wasteful number, since it uses less digits than its factorization.

2093819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2093819 is about 1447.0034554209. The cubic root of 2093819 is about 127.9321539862.

It can be divided in two parts, 20 and 93819, that added together give a palindrome (93839).

The spelling of 2093819 in words is "two million, ninety-three thousand, eight hundred nineteen".