1740089 has 4 divisors (see below), whose sum is σ = 1873956. Its totient is φ = 1606224.

The previous prime is 1740049. The next prime is 1740097. The reversal of 1740089 is 9800471.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 779689 = 980^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 1740089 - 2⁸ = 1739833 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1740049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66914 + ... + 66939.

It is an arithmetic number, because the mean of its divisors is an integer number (468489).

2^1740089 is an apocalyptic number.

It is an amenable number.

1740089 is a deficient number, since it is larger than the sum of its proper divisors (133867).

1740089 is a wasteful number, since it uses less digits than its factorization.

1740089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133866.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1740089 is about 1319.1243307589. The cubic root of 1740089 is about 120.2791879101.

The spelling of 1740089 in words is "one million, seven hundred forty thousand, eighty-nine".