340440001 has 4 divisors (see below), whose sum is σ = 371389104. Its totient is φ = 309490900.

The previous prime is 340439969. The next prime is 340440017. The reversal of 340440001 is 100044043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340440001 - 2⁵ = 340439969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340440091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15474535 + ... + 15474556.

It is an arithmetic number, because the mean of its divisors is an integer number (92847276).

Almost surely, 2^340440001 is an apocalyptic number.

It is an amenable number.

340440001 is a deficient number, since it is larger than the sum of its proper divisors (30949103).

340440001 is a wasteful number, since it uses less digits than its factorization.

340440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30949102.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 340440001 is about 18451.0162592742. The cubic root of 340440001 is about 698.2541534441.

Adding to 340440001 its reverse (100044043), we get a palindrome (440484044).

The spelling of 340440001 in words is "three hundred forty million, four hundred forty thousand, one".