340750813 has 6 divisors (see below), whose sum is σ = 368978874. Its totient is φ = 314539056.

The previous prime is 340750789. The next prime is 340750831. The reversal of 340750813 is 318057043.

It can be written as a sum of positive squares in 3 ways, for example, as 3771364 + 336979449 = 1942^2 + 18357^2 .

It is not a de Polignac number, because 340750813 - 2⁹ = 340750301 is a prime.

It is a super-2 number, since 2×340750813² = 232222233120321938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340750843) 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 5 ways as a sum of consecutive naturals, for example, 1007970 + ... + 1008307.

It is an arithmetic number, because the mean of its divisors is an integer number (61496479).

Almost surely, 2^340750813 is an apocalyptic number.

It is an amenable number.

340750813 is a deficient number, since it is larger than the sum of its proper divisors (28228061).

340750813 is a wasteful number, since it uses less digits than its factorization.

340750813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016303 (or 2016290 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 340750813 is about 18459.4369632446. The cubic root of 340750813 is about 698.4665841776.

The spelling of 340750813 in words is "three hundred forty million, seven hundred fifty thousand, eight hundred thirteen".