97955928 has 96 divisors (see below), whose sum is σ = 304761600. Its totient is φ = 27843264.

The previous prime is 97955927. The next prime is 97955947. The reversal of 97955928 is 82955979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97955927) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 132183 + ... + 132921.

It is an arithmetic number, because the mean of its divisors is an integer number (3174600).

Almost surely, 2^97955928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97955928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152380800).

97955928 is an abundant number, since it is smaller than the sum of its proper divisors (206805672).

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

97955928 is a wasteful number, since it uses less digits than its factorization.

97955928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1014 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 97955928 is about 9897.2687141453. The cubic root of 97955928 is about 460.9745062075.

The spelling of 97955928 in words is "ninety-seven million, nine hundred fifty-five thousand, nine hundred twenty-eight".