93471397 has 2 divisors, whose sum is σ = 93471398. Its totient is φ = 93471396.

The previous prime is 93471377. The next prime is 93471407. The reversal of 93471397 is 79317439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50253921 + 43217476 = 7089^2 + 6574^2 .

It is an emirp because it is prime and its reverse (79317439) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93471397 - 2⁷ = 93471269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93471377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46735698 + 46735699.

It is an arithmetic number, because the mean of its divisors is an integer number (46735699).

Almost surely, 2^93471397 is an apocalyptic number.

It is an amenable number.

93471397 is a deficient number, since it is larger than the sum of its proper divisors (1).

93471397 is an equidigital number, since it uses as much as digits as its factorization.

93471397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 93471397 is about 9668.0606638560. The cubic root of 93471397 is about 453.8296970358.

The spelling of 93471397 in words is "ninety-three million, four hundred seventy-one thousand, three hundred ninety-seven".