340244303 has 8 divisors (see below), whose sum is σ = 391913472. Its totient is φ = 289340856.

The previous prime is 340244293. The next prime is 340244309. The reversal of 340244303 is 303442043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340244303 - 2⁴ = 340244287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340244309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190475 + ... + 192252.

It is an arithmetic number, because the mean of its divisors is an integer number (48989184).

Almost surely, 2^340244303 is an apocalyptic number.

340244303 is a deficient number, since it is larger than the sum of its proper divisors (51669169).

340244303 is a wasteful number, since it uses less digits than its factorization.

340244303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382861.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340244303 is about 18445.7123202114. The cubic root of 340244303 is about 698.1203333558.

Adding to 340244303 its reverse (303442043), we get a palindrome (643686346).

The spelling of 340244303 in words is "three hundred forty million, two hundred forty-four thousand, three hundred three".