97389220 has 12 divisors (see below), whose sum is σ = 204517404. Its totient is φ = 38955680.

The previous prime is 97389203. The next prime is 97389239. The reversal of 97389220 is 2298379.

It can be written as a sum of positive squares in 2 ways, for example, as 75933796 + 21455424 = 8714^2 + 4632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434711 + ... + 2434750.

It is an arithmetic number, because the mean of its divisors is an integer number (17043117).

Almost surely, 2^97389220 is an apocalyptic number.

It is an amenable number.

97389220 is an abundant number, since it is smaller than the sum of its proper divisors (107128184).

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

97389220 is a wasteful number, since it uses less digits than its factorization.

97389220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869470 (or 4869468 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 97389220 is about 9868.5976714020. The cubic root of 97389220 is about 460.0838221539.

The spelling of 97389220 in words is "ninety-seven million, three hundred eighty-nine thousand, two hundred twenty".