97447 has 4 divisors (see below), whose sum is σ = 111376. Its totient is φ = 83520.

The previous prime is 97441. The next prime is 97453. The reversal of 97447 is 74479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74479 = 71 ⋅1049.

It is an interprime number because it is at equal distance from previous prime (97441) and next prime (97453).

It is a cyclic number.

It is not a de Polignac number, because 97447 - 2¹⁵ = 64679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6954 + ... + 6967.

It is an arithmetic number, because the mean of its divisors is an integer number (27844).

2⁹⁷⁴⁴⁷ is an apocalyptic number.

97447 is a deficient number, since it is larger than the sum of its proper divisors (13929).

97447 is a wasteful number, since it uses less digits than its factorization.

97447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13928.

The product of its digits is 7056, while the sum is 31.

The square root of 97447 is about 312.1650204619. The cubic root of 97447 is about 46.0174791797.

The spelling of 97447 in words is "ninety-seven thousand, four hundred forty-seven".