97099028 has 24 divisors (see below), whose sum is σ = 183647688. Its totient is φ = 44654976.

The previous prime is 97099001. The next prime is 97099033. The reversal of 97099028 is 82099079.

It can be written as a sum of positive squares in 4 ways, for example, as 35664784 + 61434244 = 5972^2 + 7838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97099028.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 12050 + ... + 18422.

It is an arithmetic number, because the mean of its divisors is an integer number (7651987).

Almost surely, 2^97099028 is an apocalyptic number.

It is an amenable number.

97099028 is a deficient number, since it is larger than the sum of its proper divisors (86548660).

97099028 is a wasteful number, since it uses less digits than its factorization.

97099028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 97099028 is about 9853.8839043293. The cubic root of 97099028 is about 459.6263948182.

The spelling of 97099028 in words is "ninety-seven million, ninety-nine thousand, twenty-eight".