196045873 has 4 divisors (see below), whose sum is σ = 196075620. Its totient is φ = 196016128.

The previous prime is 196045841. The next prime is 196045879. The reversal of 196045873 is 378540691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378540691 = 397 ⋅953503.

It can be written as a sum of positive squares in 2 ways, for example, as 137170944 + 58874929 = 11712^2 + 7673^2 .

It is a cyclic number.

It is not a de Polignac number, because 196045873 - 2⁵ = 196045841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196045879) 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, 88 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (49018905).

Almost surely, 2^196045873 is an apocalyptic number.

It is an amenable number.

196045873 is a deficient number, since it is larger than the sum of its proper divisors (29747).

196045873 is an equidigital number, since it uses as much as digits as its factorization.

196045873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29746.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 196045873 is about 14001.6382255792. The cubic root of 196045873 is about 580.9238872411.

The spelling of 196045873 in words is "one hundred ninety-six million, forty-five thousand, eight hundred seventy-three".