275436 has 36 divisors (see below), whose sum is σ = 796432. Its totient is φ = 78624.

The previous prime is 275423. The next prime is 275447. The reversal of 275436 is 634572.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275436.

It is an unprimeable number.

275436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295 + ... + 798.

2²⁷⁵⁴³⁶ is an apocalyptic number.

It is an amenable number.

275436 is an abundant number, since it is smaller than the sum of its proper divisors (520996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275436 is a wasteful number, since it uses less digits than its factorization.

275436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1105 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 275436 is about 524.8199691323. The cubic root of 275436 is about 65.0639213397.

The spelling of 275436 in words is "two hundred seventy-five thousand, four hundred thirty-six".