2345947 has 4 divisors (see below), whose sum is σ = 2349160. Its totient is φ = 2342736.

The previous prime is 2345923. The next prime is 2345953. The reversal of 2345947 is 7495432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2345947 - 2¹¹ = 2343899 is a prime.

It is a Duffinian number.

2345947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2345957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (587290).

2^2345947 is an apocalyptic number.

2345947 is a deficient number, since it is larger than the sum of its proper divisors (3213).

2345947 is a wasteful number, since it uses less digits than its factorization.

2345947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212.

The product of its digits is 30240, while the sum is 34.

The square root of 2345947 is about 1531.6484583611. The cubic root of 2345947 is about 132.8738132681.

The spelling of 2345947 in words is "two million, three hundred forty-five thousand, nine hundred forty-seven".