2956447 has 4 divisors (see below), whose sum is σ = 3183880. Its totient is φ = 2729016.

The previous prime is 2956403. The next prime is 2956451. The reversal of 2956447 is 7446592.

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 2956447 - 2¹⁹ = 2432159 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 (2956477) 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, 113697 + ... + 113722.

It is an arithmetic number, because the mean of its divisors is an integer number (795970).

2^2956447 is an apocalyptic number.

2956447 is a deficient number, since it is larger than the sum of its proper divisors (227433).

2956447 is a wasteful number, since it uses less digits than its factorization.

2956447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227432.

The product of its digits is 60480, while the sum is 37.

The square root of 2956447 is about 1719.4321737132. The cubic root of 2956447 is about 143.5236154363.

It can be divided in two parts, 2956 and 447, that added together give a triangular number (3403 = T₈₂).

The spelling of 2956447 in words is "two million, nine hundred fifty-six thousand, four hundred forty-seven".