2973447 has 6 divisors (see below), whose sum is σ = 4294992. Its totient is φ = 1982292.

The previous prime is 2973437. The next prime is 2973449. The reversal of 2973447 is 7443792.

It is not a de Polignac number, because 2973447 - 2¹¹ = 2971399 is a prime.

2973447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973449) 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 5 ways as a sum of consecutive naturals, for example, 165183 + ... + 165200.

It is an arithmetic number, because the mean of its divisors is an integer number (715832).

2^2973447 is an apocalyptic number.

2973447 is a deficient number, since it is larger than the sum of its proper divisors (1321545).

2973447 is a wasteful number, since it uses less digits than its factorization.

2973447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330389 (or 330386 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2973447 is about 1724.3685800895. The cubic root of 2973447 is about 143.7981837214.

The spelling of 2973447 in words is "two million, nine hundred seventy-three thousand, four hundred forty-seven".