344386947 has 4 divisors (see below), whose sum is σ = 459182600. Its totient is φ = 229591296.

The previous prime is 344386937. The next prime is 344386963. The reversal of 344386947 is 749683443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749683443 = 3 ⋅249894481.

It is not a de Polignac number, because 344386947 - 2¹² = 344382851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344386896 and 344386905.

It is not an unprimeable number, because it can be changed into a prime (344386927) 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, 57397822 + ... + 57397827.

It is an arithmetic number, because the mean of its divisors is an integer number (114795650).

Almost surely, 2^344386947 is an apocalyptic number.

344386947 is a deficient number, since it is larger than the sum of its proper divisors (114795653).

344386947 is a wasteful number, since it uses less digits than its factorization.

344386947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114795652.

The product of its digits is 1741824, while the sum is 48.

The square root of 344386947 is about 18557.6654512360. The cubic root of 344386947 is about 700.9422325028.

The spelling of 344386947 in words is "three hundred forty-four million, three hundred eighty-six thousand, nine hundred forty-seven".