2093491 has 2 divisors, whose sum is σ = 2093492. Its totient is φ = 2093490.

The previous prime is 2093489. The next prime is 2093503. The reversal of 2093491 is 1943902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2093491 - 2¹ = 2093489 is a prime.

Together with 2093489, it forms a pair of twin primes.

It is a Chen prime.

2093491 is a lucky number.

It is equal to p₁₅₅₃₇₇ and since 2093491 and 155377 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2093411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046745 + 1046746.

It is an arithmetic number, because the mean of its divisors is an integer number (1046746).

2^2093491 is an apocalyptic number.

2093491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2093491 is an equidigital number, since it uses as much as digits as its factorization.

2093491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2093491 is about 1446.8901133120. The cubic root of 2093491 is about 127.9254733804.

It can be divided in two parts, 20934 and 91, that added together give a square (21025 = 145²).

The spelling of 2093491 in words is "two million, ninety-three thousand, four hundred ninety-one".