1840336009 has 8 divisors (see below), whose sum is σ = 1870257312. Its totient is φ = 1810599360.

The previous prime is 1840335977. The next prime is 1840336019. The reversal of 1840336009 is 9006330481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1840336009 - 2⁵ = 1840335977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1840336019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25999 + ... + 66004.

It is an arithmetic number, because the mean of its divisors is an integer number (233782164).

Almost surely, 2^1840336009 is an apocalyptic number.

It is an amenable number.

1840336009 is a deficient number, since it is larger than the sum of its proper divisors (29921303).

1840336009 is an equidigital number, since it uses as much as digits as its factorization.

1840336009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92327.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1840336009 is about 42899.1376253649. The cubic root of 1840336009 is about 1225.4597211640.

The spelling of 1840336009 in words is "one billion, eight hundred forty million, three hundred thirty-six thousand, nine".