270649 has 4 divisors (see below), whose sum is σ = 273780. Its totient is φ = 267520.

The previous prime is 270631. The next prime is 270653. The reversal of 270649 is 946072.

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 176400 + 94249 = 420^2 + 307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270649 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 (270619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (68445).

2²⁷⁰⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

270649 is a deficient number, since it is larger than the sum of its proper divisors (3131).

270649 is an equidigital number, since it uses as much as digits as its factorization.

270649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 270649 is about 520.2393679836. The cubic root of 270649 is about 64.6847854898.

It can be divided in two parts, 270 and 649, that added together give a palindrome (919).

The spelling of 270649 in words is "two hundred seventy thousand, six hundred forty-nine".