97399472 has 40 divisors (see below), whose sum is σ = 203290560. Its totient is φ = 45057600.

The previous prime is 97399439. The next prime is 97399481. The reversal of 97399472 is 27499379.

It is a self number, because there is not a number n which added to its sum of digits gives 97399472.

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 7 ways as a sum of consecutive naturals, for example, 9347 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (5082264).

Almost surely, 2^97399472 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 97399472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101645280).

97399472 is an abundant number, since it is smaller than the sum of its proper divisors (105891088).

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

97399472 is a wasteful number, since it uses less digits than its factorization.

97399472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521 (or 7515 counting only the distinct ones).

The product of its digits is 857304, while the sum is 50.

The square root of 97399472 is about 9869.1170831032. The cubic root of 97399472 is about 460.0999656718.

The spelling of 97399472 in words is "ninety-seven million, three hundred ninety-nine thousand, four hundred seventy-two".