340666241 has 4 divisors (see below), whose sum is σ = 341923584. Its totient is φ = 339408900.

The previous prime is 340666211. The next prime is 340666259. The reversal of 340666241 is 142666043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340666241 - 2¹⁰ = 340665217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340666198 and 340666207.

It is not an unprimeable number, because it can be changed into a prime (340666201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628265 + ... + 628806.

It is an arithmetic number, because the mean of its divisors is an integer number (85480896).

Almost surely, 2^340666241 is an apocalyptic number.

It is an amenable number.

340666241 is a deficient number, since it is larger than the sum of its proper divisors (1257343).

340666241 is a wasteful number, since it uses less digits than its factorization.

340666241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257342.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 340666241 is about 18457.1460686640. The cubic root of 340666241 is about 698.4087945345.

The spelling of 340666241 in words is "three hundred forty million, six hundred sixty-six thousand, two hundred forty-one".