349619 has 4 divisors (see below), whose sum is σ = 368040. Its totient is φ = 331200.

The previous prime is 349603. The next prime is 349637. The reversal of 349619 is 916943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 916943 = 193 ⋅4751.

It is a cyclic number.

It is not a de Polignac number, because 349619 - 2⁴ = 349603 is a prime.

It is a super-2 number, since 2×349619² = 244466890322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9182 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (92010).

2³⁴⁹⁶¹⁹ is an apocalyptic number.

349619 is a deficient number, since it is larger than the sum of its proper divisors (18421).

349619 is a wasteful number, since it uses less digits than its factorization.

349619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18420.

The product of its digits is 5832, while the sum is 32.

The square root of 349619 is about 591.2858868602. The cubic root of 349619 is about 70.4474064094.

The spelling of 349619 in words is "three hundred forty-nine thousand, six hundred nineteen".