349859357 has 2 divisors, whose sum is σ = 349859358. Its totient is φ = 349859356.

The previous prime is 349859347. The next prime is 349859401. The reversal of 349859357 is 753958943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183087961 + 166771396 = 13531^2 + 12914^2 .

It is a cyclic number.

It is not a de Polignac number, because 349859357 - 2¹⁴ = 349842973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349859299 and 349859308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349859317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174929678 + 174929679.

It is an arithmetic number, because the mean of its divisors is an integer number (174929679).

Almost surely, 2^349859357 is an apocalyptic number.

It is an amenable number.

349859357 is a deficient number, since it is larger than the sum of its proper divisors (1).

349859357 is an equidigital number, since it uses as much as digits as its factorization.

349859357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 349859357 is about 18704.5277138986. The cubic root of 349859357 is about 704.6354650135.

The spelling of 349859357 in words is "three hundred forty-nine million, eight hundred fifty-nine thousand, three hundred fifty-seven".