273942399 has 16 divisors (see below), whose sum is σ = 390788480. Its totient is φ = 170177760.

The previous prime is 273942377. The next prime is 273942407. The reversal of 273942399 is 993249372.

It is not a de Polignac number, because 273942399 - 2⁷ = 273942271 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 (273942299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35917 + ... + 42870.

It is an arithmetic number, because the mean of its divisors is an integer number (24424280).

Almost surely, 2^273942399 is an apocalyptic number.

273942399 is a deficient number, since it is larger than the sum of its proper divisors (116846081).

273942399 is a wasteful number, since it uses less digits than its factorization.

273942399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78870.

The product of its digits is 734832, while the sum is 48.

The square root of 273942399 is about 16551.2053639607. The cubic root of 273942399 is about 649.4610119651.

The spelling of 273942399 in words is "two hundred seventy-three million, nine hundred forty-two thousand, three hundred ninety-nine".