349489 has 4 divisors (see below), whose sum is σ = 399424. Its totient is φ = 299556.

The previous prime is 349483. The next prime is 349493. The reversal of 349489 is 984943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984943 = 41 ⋅24023.

It is a cyclic number.

It is not a de Polignac number, because 349489 - 2¹⁷ = 218417 is a prime.

It is a super-2 number, since 2×349489² = 244285122242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (349483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24957 + ... + 24970.

It is an arithmetic number, because the mean of its divisors is an integer number (99856).

2³⁴⁹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

349489 is a deficient number, since it is larger than the sum of its proper divisors (49935).

349489 is an equidigital number, since it uses as much as digits as its factorization.

349489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49934.

The product of its digits is 31104, while the sum is 37.

The square root of 349489 is about 591.1759467367. The cubic root of 349489 is about 70.4386737621.

It can be divided in two parts, 349 and 489, that added together give a palindrome (838).

The spelling of 349489 in words is "three hundred forty-nine thousand, four hundred eighty-nine".