97945 has 8 divisors (see below), whose sum is σ = 123840. Its totient is φ = 74160.

The previous prime is 97943. The next prime is 97961. The reversal of 97945 is 54979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97945 - 2¹ = 97943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97945.

It is not an unprimeable number, because it can be changed into a prime (97943) 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 7 ways as a sum of consecutive naturals, for example, 421 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (15480).

2⁹⁷⁹⁴⁵ is an apocalyptic number.

97945 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97945 is a deficient number, since it is larger than the sum of its proper divisors (25895).

97945 is a wasteful number, since it uses less digits than its factorization.

97945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its digits is 11340, while the sum is 34.

The square root of 97945 is about 312.9616589936. The cubic root of 97945 is about 46.0957363407.

Adding to 97945 its sum of digits (34), we get a palindrome (97979).

It can be divided in two parts, 979 and 45, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 97945 in words is "ninety-seven thousand, nine hundred forty-five".