97873 has 4 divisors (see below), whose sum is σ = 98980. Its totient is φ = 96768.

The previous prime is 97871. The next prime is 97879. The reversal of 97873 is 37879.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36864 + 61009 = 192^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 97873 - 2¹ = 97871 is a prime.

It is an Ulam number.

It is a Duffinian number.

97873 is a modest number, since divided by 873 gives 97 as remainder.

It is not an unprimeable number, because it can be changed into a prime (97871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408 + ... + 601.

It is an arithmetic number, because the mean of its divisors is an integer number (24745).

2⁹⁷⁸⁷³ is an apocalyptic number.

It is an amenable number.

97873 is a deficient number, since it is larger than the sum of its proper divisors (1107).

97873 is a wasteful number, since it uses less digits than its factorization.

97873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its digits is 10584, while the sum is 34.

The square root of 97873 is about 312.8466077809. The cubic root of 97873 is about 46.0844384810.

It can be divided in two parts, 97 and 873, that multiplied together give a square (84681 = 291²).

The spelling of 97873 in words is "ninety-seven thousand, eight hundred seventy-three".