3450947 has 2 divisors, whose sum is σ = 3450948. Its totient is φ = 3450946.

The previous prime is 3450917. The next prime is 3450959. The reversal of 3450947 is 7490543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3450947 - 2¹⁸ = 3188803 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3450917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1725473 + 1725474.

It is an arithmetic number, because the mean of its divisors is an integer number (1725474).

Almost surely, 2^3450947 is an apocalyptic number.

3450947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3450947 is an equidigital number, since it uses as much as digits as its factorization.

3450947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3450947 is about 1857.6724684400. The cubic root of 3450947 is about 151.1168050807.

The spelling of 3450947 in words is "three million, four hundred fifty thousand, nine hundred forty-seven".