4047973 has 2 divisors, whose sum is σ = 4047974. Its totient is φ = 4047972.

The previous prime is 4047961. The next prime is 4047983. The reversal of 4047973 is 3797404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3560769 + 487204 = 1887^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 4047973 - 2¹³ = 4039781 is a prime.

4047973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4047983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023986 + 2023987.

It is an arithmetic number, because the mean of its divisors is an integer number (2023987).

Almost surely, 2^4047973 is an apocalyptic number.

It is an amenable number.

4047973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4047973 is an equidigital number, since it uses as much as digits as its factorization.

4047973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 4047973 is about 2011.9575045214. The cubic root of 4047973 is about 159.3721882370.

The spelling of 4047973 in words is "four million, forty-seven thousand, nine hundred seventy-three".