973344391 has 2 divisors, whose sum is σ = 973344392. Its totient is φ = 973344390.

The previous prime is 973344349. The next prime is 973344413. The reversal of 973344391 is 193443379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973344391 - 2⁹ = 973343879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973344341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486672195 + 486672196.

It is an arithmetic number, because the mean of its divisors is an integer number (486672196).

Almost surely, 2^973344391 is an apocalyptic number.

973344391 is a deficient number, since it is larger than the sum of its proper divisors (1).

973344391 is an equidigital number, since it uses as much as digits as its factorization.

973344391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 973344391 is about 31198.4677668632. The cubic root of 973344391 is about 991.0346598799.

The spelling of 973344391 in words is "nine hundred seventy-three million, three hundred forty-four thousand, three hundred ninety-one".