97536220 has 24 divisors (see below), whose sum is σ = 205028208. Its totient is φ = 38976000.

The previous prime is 97536211. The next prime is 97536239. The reversal of 97536220 is 2263579.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27340 + ... + 30700.

It is an arithmetic number, because the mean of its divisors is an integer number (8542842).

Almost surely, 2^97536220 is an apocalyptic number.

It is an amenable number.

97536220 is an abundant number, since it is smaller than the sum of its proper divisors (107491988).

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

97536220 is a wasteful number, since it uses less digits than its factorization.

97536220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 97536220 is about 9876.0427297577. The cubic root of 97536220 is about 460.3151904105.

Adding to 97536220 its reverse (2263579), we get a palindrome (99799799).

The spelling of 97536220 in words is "ninety-seven million, five hundred thirty-six thousand, two hundred twenty".