97447152 has 40 divisors (see below), whose sum is σ = 274625280. Its totient is φ = 29529280.

The previous prime is 97447151. The next prime is 97447157. The reversal of 97447152 is 25174479.

It is a super-2 number, since 2×97447152² = 18991894865822208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 97447152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97447151) 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, 91752 + ... + 92807.

It is an arithmetic number, because the mean of its divisors is an integer number (6865632).

Almost surely, 2^97447152 is an apocalyptic number.

It is an amenable number.

97447152 is an abundant number, since it is smaller than the sum of its proper divisors (177178128).

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

97447152 is a wasteful number, since it uses less digits than its factorization.

97447152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184581 (or 184575 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 97447152 is about 9871.5324038368. The cubic root of 97447152 is about 460.1750310604.

The spelling of 97447152 in words is "ninety-seven million, four hundred forty-seven thousand, one hundred fifty-two".