340289227 has 4 divisors (see below), whose sum is σ = 341121640. Its totient is φ = 339456816.

The previous prime is 340289197. The next prime is 340289233. The reversal of 340289227 is 722982043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722982043 = 7 ⋅103283149.

It is a cyclic number.

It is not a de Polignac number, because 340289227 - 2¹¹ = 340287179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340289267) 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, 415593 + ... + 416410.

It is an arithmetic number, because the mean of its divisors is an integer number (85280410).

Almost surely, 2^340289227 is an apocalyptic number.

340289227 is a deficient number, since it is larger than the sum of its proper divisors (832413).

340289227 is an equidigital number, since it uses as much as digits as its factorization.

340289227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832412.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 340289227 is about 18446.9300155880. The cubic root of 340289227 is about 698.1510573360.

It can be divided in two parts, 3402 and 89227, that added together give a palindrome (92629).

The spelling of 340289227 in words is "three hundred forty million, two hundred eighty-nine thousand, two hundred twenty-seven".