340295089 has 2 divisors, whose sum is σ = 340295090. Its totient is φ = 340295088.

The previous prime is 340295083. The next prime is 340295113. The reversal of 340295089 is 980592043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176890000 + 163405089 = 13300^2 + 12783^2 .

It is an emirp because it is prime and its reverse (980592043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340295089 - 2¹³ = 340286897 is a prime.

It is equal to p_18309757 and since 340295089 and 18309757 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 (340295083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170147544 + 170147545.

It is an arithmetic number, because the mean of its divisors is an integer number (170147545).

Almost surely, 2^340295089 is an apocalyptic number.

It is an amenable number.

340295089 is a deficient number, since it is larger than the sum of its proper divisors (1).

340295089 is an equidigital number, since it uses as much as digits as its factorization.

340295089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 340295089 is about 18447.0889031305. The cubic root of 340295089 is about 698.1550662179.

The spelling of 340295089 in words is "three hundred forty million, two hundred ninety-five thousand, eighty-nine".