270428 has 6 divisors (see below), whose sum is σ = 473256. Its totient is φ = 135212.

The previous prime is 270421. The next prime is 270437. The reversal of 270428 is 824072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270421) by changing a digit.

270428 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 as a sum of consecutive naturals, namely, 33800 + ... + 33807.

It is an arithmetic number, because the mean of its divisors is an integer number (78876).

2²⁷⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

270428 is a deficient number, since it is larger than the sum of its proper divisors (202828).

270428 is a wasteful number, since it uses less digits than its factorization.

270428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67611 (or 67609 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 270428 is about 520.0269223800. The cubic root of 270428 is about 64.6671744507.

The spelling of 270428 in words is "two hundred seventy thousand, four hundred twenty-eight".