340644011 has 6 divisors (see below), whose sum is σ = 361860900. Its totient is φ = 320605856.

The previous prime is 340643983. The next prime is 340644041. The reversal of 340644011 is 110446043.

It is not a de Polignac number, because 340644011 - 2¹⁰ = 340642987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340644041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589061 + ... + 589638.

It is an arithmetic number, because the mean of its divisors is an integer number (60310150).

Almost surely, 2^340644011 is an apocalyptic number.

340644011 is a deficient number, since it is larger than the sum of its proper divisors (21216889).

340644011 is a wasteful number, since it uses less digits than its factorization.

340644011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178733 (or 1178716 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 340644011 is about 18456.5438530620. The cubic root of 340644011 is about 698.3936027687.

The spelling of 340644011 in words is "three hundred forty million, six hundred forty-four thousand, eleven".