273428866 has 8 divisors (see below), whose sum is σ = 423373824. Its totient is φ = 132304260.

The previous prime is 273428863. The next prime is 273428879. The reversal of 273428866 is 668824372.

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

It is not an unprimeable number, because it can be changed into a prime (273428861) 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, 2205010 + ... + 2205133.

It is an arithmetic number, because the mean of its divisors is an integer number (52921728).

Almost surely, 2^273428866 is an apocalyptic number.

273428866 is a deficient number, since it is larger than the sum of its proper divisors (149944958).

273428866 is a wasteful number, since it uses less digits than its factorization.

273428866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410176.

The product of its digits is 774144, while the sum is 46.

The square root of 273428866 is about 16535.6846244720. The cubic root of 273428866 is about 649.0549311175.

The spelling of 273428866 in words is "two hundred seventy-three million, four hundred twenty-eight thousand, eight hundred sixty-six".