273428236 has 6 divisors (see below), whose sum is σ = 478499420. Its totient is φ = 136714116.

The previous prime is 273428231. The next prime is 273428249. The reversal of 273428236 is 632824372.

It is a junction number, because it is equal to n+sod(n) for n = 273428195 and 273428204.

It is not an unprimeable number, because it can be changed into a prime (273428231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34178526 + ... + 34178533.

Almost surely, 2^273428236 is an apocalyptic number.

It is an amenable number.

273428236 is a deficient number, since it is larger than the sum of its proper divisors (205071184).

273428236 is a wasteful number, since it uses less digits than its factorization.

273428236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68357063 (or 68357061 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 273428236 is about 16535.6655747508. The cubic root of 273428236 is about 649.0544326272.

The spelling of 273428236 in words is "two hundred seventy-three million, four hundred twenty-eight thousand, two hundred thirty-six".