97428349 has 2 divisors, whose sum is σ = 97428350. Its totient is φ = 97428348.

The previous prime is 97428311. The next prime is 97428361. The reversal of 97428349 is 94382479.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97416900 + 11449 = 9870^2 + 107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97428349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97428299 and 97428308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97428949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48714174 + 48714175.

It is an arithmetic number, because the mean of its divisors is an integer number (48714175).

Almost surely, 2^97428349 is an apocalyptic number.

It is an amenable number.

97428349 is a deficient number, since it is larger than the sum of its proper divisors (1).

97428349 is an equidigital number, since it uses as much as digits as its factorization.

97428349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 97428349 is about 9870.5799728283. The cubic root of 97428349 is about 460.1454313320.

The spelling of 97428349 in words is "ninety-seven million, four hundred twenty-eight thousand, three hundred forty-nine".