973398641 has 2 divisors, whose sum is σ = 973398642. Its totient is φ = 973398640.

The previous prime is 973398637. The next prime is 973398653. The reversal of 973398641 is 146893379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879715600 + 93683041 = 29660^2 + 9679^2 .

It is a cyclic number.

It is not a de Polignac number, because 973398641 - 2² = 973398637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 973398641.

It is not a weakly prime, because it can be changed into another prime (973398661) 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 as a sum of consecutive naturals, namely, 486699320 + 486699321.

It is an arithmetic number, because the mean of its divisors is an integer number (486699321).

Almost surely, 2^973398641 is an apocalyptic number.

It is an amenable number.

973398641 is a deficient number, since it is larger than the sum of its proper divisors (1).

973398641 is an equidigital number, since it uses as much as digits as its factorization.

973398641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 50.

The square root of 973398641 is about 31199.3371884724. The cubic root of 973398641 is about 991.0530715308.

The spelling of 973398641 in words is "nine hundred seventy-three million, three hundred ninety-eight thousand, six hundred forty-one".