344678359 has 2 divisors, whose sum is σ = 344678360. Its totient is φ = 344678358.

The previous prime is 344678317. The next prime is 344678387. The reversal of 344678359 is 953876443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344678359 - 2⁷ = 344678231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344678959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172339179 + 172339180.

It is an arithmetic number, because the mean of its divisors is an integer number (172339180).

Almost surely, 2^344678359 is an apocalyptic number.

344678359 is a deficient number, since it is larger than the sum of its proper divisors (1).

344678359 is an equidigital number, since it uses as much as digits as its factorization.

344678359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The square root of 344678359 is about 18565.5153173835. The cubic root of 344678359 is about 701.1398836164.

The spelling of 344678359 in words is "three hundred forty-four million, six hundred seventy-eight thousand, three hundred fifty-nine".