1834993 has 2 divisors, whose sum is σ = 1834994. Its totient is φ = 1834992.

The previous prime is 1834991. The next prime is 1834999. The reversal of 1834993 is 3994381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 651249 = 1088^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 1834993 - 2¹ = 1834991 is a prime.

Together with 1834991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1834991) 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 as a sum of consecutive naturals, namely, 917496 + 917497.

It is an arithmetic number, because the mean of its divisors is an integer number (917497).

2^1834993 is an apocalyptic number.

It is an amenable number.

1834993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1834993 is an equidigital number, since it uses as much as digits as its factorization.

1834993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 1834993 is about 1354.6191346648. The cubic root of 1834993 is about 122.4272621078.

The spelling of 1834993 in words is "one million, eight hundred thirty-four thousand, nine hundred ninety-three".