273922393 has 4 divisors (see below), whose sum is σ = 275313060. Its totient is φ = 272531728.

The previous prime is 273922381. The next prime is 273922409. The reversal of 273922393 is 393229372.

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 239723289 + 34199104 = 15483^2 + 5848^2 .

It is a cyclic number.

It is not a de Polignac number, because 273922393 - 2⁵ = 273922361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273922303) 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, 695038 + ... + 695431.

It is an arithmetic number, because the mean of its divisors is an integer number (68828265).

Almost surely, 2^273922393 is an apocalyptic number.

It is an amenable number.

273922393 is a deficient number, since it is larger than the sum of its proper divisors (1390667).

273922393 is a wasteful number, since it uses less digits than its factorization.

273922393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390666.

The product of its digits is 122472, while the sum is 40.

The square root of 273922393 is about 16550.6009860669. The cubic root of 273922393 is about 649.4452015449.

The spelling of 273922393 in words is "two hundred seventy-three million, nine hundred twenty-two thousand, three hundred ninety-three".