270643485 has 128 divisors (see below), whose sum is σ = 556498944. Its totient is φ = 109486080.

The previous prime is 270643481. The next prime is 270643487. The reversal of 270643485 is 584346072.

It is a happy number.

It is not a de Polignac number, because 270643485 - 2² = 270643481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270643481) 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 in 127 ways as a sum of consecutive naturals, for example, 3707409 + ... + 3707481.

It is an arithmetic number, because the mean of its divisors is an integer number (4347648).

Almost surely, 2^270643485 is an apocalyptic number.

It is an amenable number.

270643485 is an abundant number, since it is smaller than the sum of its proper divisors (285855459).

270643485 is a wasteful number, since it uses less digits than its factorization.

270643485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 270643485 is about 16451.2456975148. The cubic root of 270643485 is about 646.8434612736.

The spelling of 270643485 in words is "two hundred seventy million, six hundred forty-three thousand, four hundred eighty-five".