2093091 has 64 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 921600.

The previous prime is 2093081. The next prime is 2093101. The reversal of 2093091 is 1903902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2093081) and next prime (2093101).

It is not a de Polignac number, because 2093091 - 2⁷ = 2092963 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2093041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51031 + ... + 51071.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2^2093091 is an apocalyptic number.

2093091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2093091 is a deficient number, since it is larger than the sum of its proper divisors (1971165).

2093091 is a wasteful number, since it uses less digits than its factorization.

2093091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 2093091 is about 1446.7518792108. The cubic root of 2093091 is about 127.9173253558.

Adding to 2093091 its reverse (1903902), we get a palindrome (3996993).

The spelling of 2093091 in words is "two million, ninety-three thousand, ninety-one".