349285 has 4 divisors (see below), whose sum is σ = 419148. Its totient is φ = 279424.

The previous prime is 349241. The next prime is 349291. The reversal of 349285 is 582943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582943 = 479 ⋅1217.

It can be written as a sum of positive squares in 2 ways, for example, as 124609 + 224676 = 353^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 349285 - 2¹⁷ = 218213 is a prime.

It is a super-2 number, since 2×349285² = 244000022450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34924 + ... + 34933.

It is an arithmetic number, because the mean of its divisors is an integer number (104787).

2³⁴⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

349285 is a deficient number, since it is larger than the sum of its proper divisors (69863).

349285 is an equidigital number, since it uses as much as digits as its factorization.

349285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69862.

The product of its digits is 8640, while the sum is 31.

The square root of 349285 is about 591.0033840851. The cubic root of 349285 is about 70.4249658569.

The spelling of 349285 in words is "three hundred forty-nine thousand, two hundred eighty-five".