349434 has 24 divisors (see below), whose sum is σ = 786240. Its totient is φ = 116316.

The previous prime is 349423. The next prime is 349471. The reversal of 349434 is 434943.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 = 349398 and 349407.

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 11 ways as a sum of consecutive naturals, for example, 127 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2³⁴⁹⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393120).

349434 is an abundant number, since it is smaller than the sum of its proper divisors (436806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349434 is an equidigital number, since it uses as much as digits as its factorization.

349434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 724 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 349434 is about 591.1294274522. The cubic root of 349434 is about 70.4349785287.

The spelling of 349434 in words is "three hundred forty-nine thousand, four hundred thirty-four".