97028856 has 24 divisors (see below), whose sum is σ = 262786680. Its totient is φ = 32342928.

The previous prime is 97028783. The next prime is 97028917. The reversal of 97028856 is 65882079.

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 673740 + ... + 673883.

It is an arithmetic number, because the mean of its divisors is an integer number (10949445).

Almost surely, 2^97028856 is an apocalyptic number.

It is an amenable number.

97028856 is an abundant number, since it is smaller than the sum of its proper divisors (165757824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97028856 is a wasteful number, since it uses less digits than its factorization.

97028856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347635 (or 1347628 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 97028856 is about 9850.3226343100. The cubic root of 97028856 is about 459.5156464523.

The spelling of 97028856 in words is "ninety-seven million, twenty-eight thousand, eight hundred fifty-six".