97280328 has 32 divisors (see below), whose sum is σ = 244114560. Its totient is φ = 32304960.

The previous prime is 97280327. The next prime is 97280329. The reversal of 97280328 is 82308279.

It is an interprime number because it is at equal distance from previous prime (97280327) and next prime (97280329).

It is not an unprimeable number, because it can be changed into a prime (97280327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975 + ... + 13982.

It is an arithmetic number, because the mean of its divisors is an integer number (7628580).

Almost surely, 2^97280328 is an apocalyptic number.

It is an amenable number.

97280328 is an abundant number, since it is smaller than the sum of its proper divisors (146834232).

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

97280328 is a wasteful number, since it uses less digits than its factorization.

97280328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237 (or 15233 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 97280328 is about 9863.0790324320. The cubic root of 97280328 is about 459.9122832115.

The spelling of 97280328 in words is "ninety-seven million, two hundred eighty thousand, three hundred twenty-eight".