349785 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 186480.

The previous prime is 349759. The next prime is 349787. The reversal of 349785 is 587943.

It is not a de Polignac number, because 349785 - 2⁵ = 349753 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349785.

It is not an unprimeable number, because it can be changed into a prime (349787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161 + ... + 1430.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2³⁴⁹⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

349785 is a deficient number, since it is larger than the sum of its proper divisors (272295).

349785 is a wasteful number, since it uses less digits than its factorization.

349785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2599 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 349785 is about 591.4262422314. The cubic root of 349785 is about 70.4585541818.

The spelling of 349785 in words is "three hundred forty-nine thousand, seven hundred eighty-five".