340912249 has 4 divisors (see below), whose sum is σ = 341038836. Its totient is φ = 340785664.

The previous prime is 340912219. The next prime is 340912259. The reversal of 340912249 is 942219043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 217857600 + 123054649 = 14760^2 + 11093^2 .

It is a cyclic number.

It is not a de Polignac number, because 340912249 - 2¹⁹ = 340387961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340912219) 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, 59164 + ... + 64669.

It is an arithmetic number, because the mean of its divisors is an integer number (85259709).

Almost surely, 2^340912249 is an apocalyptic number.

It is an amenable number.

340912249 is a deficient number, since it is larger than the sum of its proper divisors (126587).

340912249 is a wasteful number, since it uses less digits than its factorization.

340912249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126586.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 340912249 is about 18463.8091682080. The cubic root of 340912249 is about 698.5768699005.

The spelling of 340912249 in words is "three hundred forty million, nine hundred twelve thousand, two hundred forty-nine".