97144328 has 16 divisors (see below), whose sum is σ = 188021760. Its totient is φ = 47005200.

The previous prime is 97144309. The next prime is 97144331. The reversal of 97144328 is 82344179.

It is a junction number, because it is equal to n+sod(n) for n = 97144291 and 97144300.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 195608 + ... + 196103.

It is an arithmetic number, because the mean of its divisors is an integer number (11751360).

Almost surely, 2^97144328 is an apocalyptic number.

It is an amenable number.

97144328 is a deficient number, since it is larger than the sum of its proper divisors (90877432).

97144328 is a wasteful number, since it uses less digits than its factorization.

97144328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391748 (or 391744 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 97144328 is about 9856.1822223415. The cubic root of 97144328 is about 459.6978608223.

The spelling of 97144328 in words is "ninety-seven million, one hundred forty-four thousand, three hundred twenty-eight".