340661211 has 16 divisors (see below), whose sum is σ = 517052160. Its totient is φ = 197484320.

The previous prime is 340661161. The next prime is 340661219. The reversal of 340661211 is 112166043.

It is not a de Polignac number, because 340661211 - 2⁹ = 340660699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340661219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223656 + ... + 225173.

It is an arithmetic number, because the mean of its divisors is an integer number (32315760).

Almost surely, 2^340661211 is an apocalyptic number.

340661211 is a deficient number, since it is larger than the sum of its proper divisors (176390949).

340661211 is a wasteful number, since it uses less digits than its factorization.

340661211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448866.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 340661211 is about 18457.0098065748. The cubic root of 340661211 is about 698.4053571393.

The spelling of 340661211 in words is "three hundred forty million, six hundred sixty-one thousand, two hundred eleven".