340230677 has 4 divisors (see below), whose sum is σ = 341205900. Its totient is φ = 339255456.

The previous prime is 340230661. The next prime is 340230679. The reversal of 340230677 is 776032043.

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 95433361 + 244797316 = 9769^2 + 15646^2 .

It is a cyclic number.

It is not a de Polignac number, because 340230677 - 2⁴ = 340230661 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 (340230679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487088 + ... + 487785.

It is an arithmetic number, because the mean of its divisors is an integer number (85301475).

Almost surely, 2^340230677 is an apocalyptic number.

It is an amenable number.

340230677 is a deficient number, since it is larger than the sum of its proper divisors (975223).

340230677 is an equidigital number, since it uses as much as digits as its factorization.

340230677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975222.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 340230677 is about 18445.3429623848. The cubic root of 340230677 is about 698.1110138614. Note that the first 3 decimals are identical.

The spelling of 340230677 in words is "three hundred forty million, two hundred thirty thousand, six hundred seventy-seven".