349775 has 12 divisors (see below), whose sum is σ = 459792. Its totient is φ = 263040.

The previous prime is 349759. The next prime is 349787. The reversal of 349775 is 577943.

It is not a de Polignac number, because 349775 - 2⁴ = 349759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (38316).

2³⁴⁹⁷⁷⁵ is an apocalyptic number.

349775 is a deficient number, since it is larger than the sum of its proper divisors (110017).

349775 is a wasteful number, since it uses less digits than its factorization.

349775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 845 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 349775 is about 591.4177880314. The cubic root of 349775 is about 70.4578827291.

The spelling of 349775 in words is "three hundred forty-nine thousand, seven hundred seventy-five".