340530929 has 2 divisors, whose sum is σ = 340530930. Its totient is φ = 340530928.

The previous prime is 340530919. The next prime is 340530941. The reversal of 340530929 is 929035043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266570929 + 73960000 = 16327^2 + 8600^2 .

It is a cyclic number.

It is not a de Polignac number, because 340530929 - 2¹⁶ = 340465393 is a prime.

It is a super-2 number, since 2×340530929² = 231922627211206082, which contains 22 as substring.

It is equal to p_18321776 and since 340530929 and 18321776 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (340530919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170265464 + 170265465.

It is an arithmetic number, because the mean of its divisors is an integer number (170265465).

Almost surely, 2^340530929 is an apocalyptic number.

It is an amenable number.

340530929 is a deficient number, since it is larger than the sum of its proper divisors (1).

340530929 is an equidigital number, since it uses as much as digits as its factorization.

340530929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 340530929 is about 18453.4801324845. The cubic root of 340530929 is about 698.3163133957.

The spelling of 340530929 in words is "three hundred forty million, five hundred thirty thousand, nine hundred twenty-nine".