3440947 has 2 divisors, whose sum is σ = 3440948. Its totient is φ = 3440946.

The previous prime is 3440933. The next prime is 3440951. The reversal of 3440947 is 7490443.

It is a strong prime.

It is an emirp because it is prime and its reverse (7490443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3440947 - 2⁷ = 3440819 is a prime.

It is equal to p₂₄₆₂₉₈ and since 3440947 and 246298 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3440147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720473 + 1720474.

It is an arithmetic number, because the mean of its divisors is an integer number (1720474).

Almost surely, 2^3440947 is an apocalyptic number.

3440947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440947 is an equidigital number, since it uses as much as digits as its factorization.

3440947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3440947 is about 1854.9789756221. The cubic root of 3440947 is about 150.9706973533.

The spelling of 3440947 in words is "three million, four hundred forty thousand, nine hundred forty-seven".