270194891 has 4 divisors (see below), whose sum is σ = 271222512. Its totient is φ = 269167272.

The previous prime is 270194887. The next prime is 270194909. The reversal of 270194891 is 198491072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 270194891 - 2² = 270194887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270194861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513416 + ... + 513941.

It is an arithmetic number, because the mean of its divisors is an integer number (67805628).

Almost surely, 2^270194891 is an apocalyptic number.

270194891 is a deficient number, since it is larger than the sum of its proper divisors (1027621).

270194891 is a wasteful number, since it uses less digits than its factorization.

270194891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027620.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 270194891 is about 16437.6059996582. The cubic root of 270194891 is about 646.4858806933.

The spelling of 270194891 in words is "two hundred seventy million, one hundred ninety-four thousand, eight hundred ninety-one".