97986828 has 12 divisors (see below), whose sum is σ = 228635960. Its totient is φ = 32662272.

The previous prime is 97986817. The next prime is 97986859. The reversal of 97986828 is 82868979.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 4082773 + ... + 4082796.

Almost surely, 2^97986828 is an apocalyptic number.

It is an amenable number.

97986828 is an abundant number, since it is smaller than the sum of its proper divisors (130649132).

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

97986828 is a wasteful number, since it uses less digits than its factorization.

97986828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165576 (or 8165574 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 97986828 is about 9898.8296277893. The cubic root of 97986828 is about 461.0229722712.

The spelling of 97986828 in words is "ninety-seven million, nine hundred eighty-six thousand, eight hundred twenty-eight".