270191428 has 12 divisors (see below), whose sum is σ = 509207020. Its totient is φ = 124703712.

The previous prime is 270191407. The next prime is 270191447. The reversal of 270191428 is 824191072.

It can be written as a sum of positive squares in 2 ways, for example, as 125037124 + 145154304 = 11182^2 + 12048^2 .

It is a junction number, because it is equal to n+sod(n) for n = 270191393 and 270191402.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2597943 + ... + 2598046.

Almost surely, 2^270191428 is an apocalyptic number.

It is an amenable number.

270191428 is a deficient number, since it is larger than the sum of its proper divisors (239015592).

270191428 is a wasteful number, since it uses less digits than its factorization.

270191428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196006 (or 5196004 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 270191428 is about 16437.5006615969. The cubic root of 270191428 is about 646.4831187484.

The spelling of 270191428 in words is "two hundred seventy million, one hundred ninety-one thousand, four hundred twenty-eight".