97209996 has 48 divisors (see below), whose sum is σ = 245059584. Its totient is φ = 29814336.

The previous prime is 97209977. The next prime is 97209997. The reversal of 97209996 is 69990279.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97209997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58935 + ... + 60561.

It is an arithmetic number, because the mean of its divisors is an integer number (5105408).

Almost surely, 2^97209996 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 97209996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122529792).

97209996 is an abundant number, since it is smaller than the sum of its proper divisors (147849588).

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

97209996 is a wasteful number, since it uses less digits than its factorization.

97209996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 97209996 is about 9859.5129697161. The cubic root of 97209996 is about 459.8014202726.

The spelling of 97209996 in words is "ninety-seven million, two hundred nine thousand, nine hundred ninety-six".