97389288 has 48 divisors (see below), whose sum is σ = 277648800. Its totient is φ = 30754080.

The previous prime is 97389287. The next prime is 97389289. The reversal of 97389288 is 88298379.

It is an interprime number because it is at equal distance from previous prime (97389287) and next prime (97389289).

It is not an unprimeable number, because it can be changed into a prime (97389283) 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 11 ways as a sum of consecutive naturals, for example, 34228 + ... + 36963.

It is an arithmetic number, because the mean of its divisors is an integer number (5784350).

Almost surely, 2^97389288 is an apocalyptic number.

It is an amenable number.

97389288 is an abundant number, since it is smaller than the sum of its proper divisors (180259512).

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

97389288 is a wasteful number, since it uses less digits than its factorization.

97389288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71222 (or 71215 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 97389288 is about 9868.6011166730. The cubic root of 97389288 is about 460.0839292352.

Subtracting from 97389288 its reverse (88298379), we obtain a palindrome (9090909).

The spelling of 97389288 in words is "ninety-seven million, three hundred eighty-nine thousand, two hundred eighty-eight".