97989376 has 72 divisors (see below), whose sum is σ = 206403120. Its totient is φ = 46362624.

The previous prime is 97989371. The next prime is 97989413. The reversal of 97989376 is 67398979.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 97989376.

It is not an unprimeable number, because it can be changed into a prime (97989371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497310 + ... + 497506.

It is an arithmetic number, because the mean of its divisors is an integer number (2866710).

Almost surely, 2^97989376 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 97989376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103201560).

97989376 is an abundant number, since it is smaller than the sum of its proper divisors (108413744).

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

97989376 is a wasteful number, since it uses less digits than its factorization.

97989376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 295 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 58.

The square root of 97989376 is about 9898.9583290364. The cubic root of 97989376 is about 461.0269683061.

The spelling of 97989376 in words is "ninety-seven million, nine hundred eighty-nine thousand, three hundred seventy-six".