349430 has 16 divisors (see below), whose sum is σ = 638064. Its totient is φ = 137760.

The previous prime is 349423. The next prime is 349471. The reversal of 349430 is 34943.

349430 is nontrivially palindromic in base 9.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 349396 and 349405.

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 7 ways as a sum of consecutive naturals, for example, 620 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (39879).

2³⁴⁹⁴³⁰ is an apocalyptic number.

349430 is a deficient number, since it is larger than the sum of its proper divisors (288634).

349430 is a wasteful number, since it uses less digits than its factorization.

349430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 349430 is about 591.1260440887. The cubic root of 349430 is about 70.4347097693.

The spelling of 349430 in words is "three hundred forty-nine thousand, four hundred thirty".