349828 has 12 divisors (see below), whose sum is σ = 644560. Its totient is φ = 165672.

The previous prime is 349819. The next prime is 349829. The reversal of 349828 is 828943.

It is a junction number, because it is equal to n+sod(n) for n = 349793 and 349802.

It is not an unprimeable number, because it can be changed into a prime (349829) by changing a digit.

349828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226 + ... + 2377.

2³⁴⁹⁸²⁸ is an apocalyptic number.

349828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

349828 is a deficient number, since it is larger than the sum of its proper divisors (294732).

349828 is a wasteful number, since it uses less digits than its factorization.

349828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4624 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 349828 is about 591.4625939144. The cubic root of 349828 is about 70.4614412826.

The spelling of 349828 in words is "three hundred forty-nine thousand, eight hundred twenty-eight".