97528438 has 16 divisors (see below), whose sum is σ = 169483680. Its totient is φ = 41224896.

The previous prime is 97528433. The next prime is 97528451. The reversal of 97528438 is 83482579.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97528433) 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 7 ways as a sum of consecutive naturals, for example, 46693 + ... + 48736.

It is an arithmetic number, because the mean of its divisors is an integer number (10592730).

Almost surely, 2^97528438 is an apocalyptic number.

97528438 is a deficient number, since it is larger than the sum of its proper divisors (71955242).

97528438 is a wasteful number, since it uses less digits than its factorization.

97528438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95511.

The product of its digits is 483840, while the sum is 46.

The square root of 97528438 is about 9875.6487381842. The cubic root of 97528438 is about 460.3029478881.

The spelling of 97528438 in words is "ninety-seven million, five hundred twenty-eight thousand, four hundred thirty-eight".