340304777 has 4 divisors (see below), whose sum is σ = 340672020. Its totient is φ = 339937536.

The previous prime is 340304771. The next prime is 340304813. The reversal of 340304777 is 777403043.

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 164583241 + 175721536 = 12829^2 + 13256^2 .

It is a cyclic number.

It is not a de Polignac number, because 340304777 - 2¹⁴ = 340288393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340304771) 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, 182228 + ... + 184085.

It is an arithmetic number, because the mean of its divisors is an integer number (85168005).

Almost surely, 2^340304777 is an apocalyptic number.

It is an amenable number.

340304777 is a deficient number, since it is larger than the sum of its proper divisors (367243).

340304777 is an equidigital number, since it uses as much as digits as its factorization.

340304777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367242.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 340304777 is about 18447.3514901191. The cubic root of 340304777 is about 698.1616915091.

The spelling of 340304777 in words is "three hundred forty million, three hundred four thousand, seven hundred seventy-seven".