2340047 has 4 divisors (see below), whose sum is σ = 2355696. Its totient is φ = 2324400.

The previous prime is 2340029. The next prime is 2340061. The reversal of 2340047 is 7400432.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2340047 - 2¹⁶ = 2274511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340007) 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, 7598 + ... + 7899.

It is an arithmetic number, because the mean of its divisors is an integer number (588924).

2^2340047 is an apocalyptic number.

2340047 is a deficient number, since it is larger than the sum of its proper divisors (15649).

2340047 is a wasteful number, since it uses less digits than its factorization.

2340047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2340047 is about 1529.7212164313. The cubic root of 2340047 is about 132.7623282789.

Adding to 2340047 its reverse (7400432), we get a palindrome (9740479).

The spelling of 2340047 in words is "two million, three hundred forty thousand, forty-seven".