97235220 has 96 divisors (see below), whose sum is σ = 285981696. Its totient is φ = 24652800.

The previous prime is 97235209. The next prime is 97235233. The reversal of 97235220 is 2253279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 113032 + ... + 113888.

It is an arithmetic number, because the mean of its divisors is an integer number (2978976).

Almost surely, 2^97235220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97235220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142990848).

97235220 is an abundant number, since it is smaller than the sum of its proper divisors (188746476).

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

97235220 is a wasteful number, since it uses less digits than its factorization.

97235220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 97235220 is about 9860.7920574364. The cubic root of 97235220 is about 459.8411865123.

Adding to 97235220 its reverse (2253279), we get a palindrome (99488499).

The spelling of 97235220 in words is "ninety-seven million, two hundred thirty-five thousand, two hundred twenty".