97542216 has 48 divisors (see below), whose sum is σ = 265890300. Its totient is φ = 32303232.

The previous prime is 97542199. The next prime is 97542227. The reversal of 97542216 is 61224579.

97542216 is a `hidden beast` number, since 97 + 542 + 21 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97416900 + 125316 = 9870^2 + 354^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6990 + ... + 15618.

Almost surely, 2^97542216 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 97542216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132945150).

97542216 is an abundant number, since it is smaller than the sum of its proper divisors (168348084).

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

97542216 is a wasteful number, since it uses less digits than its factorization.

97542216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798 (or 8791 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 97542216 is about 9876.3462879751. The cubic root of 97542216 is about 460.3246227811.

The spelling of 97542216 in words is "ninety-seven million, five hundred forty-two thousand, two hundred sixteen".