349404 has 24 divisors (see below), whose sum is σ = 889728. Its totient is φ = 105840.

The previous prime is 349403. The next prime is 349409. The reversal of 349404 is 404943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 1455.

It is an arithmetic number, because the mean of its divisors is an integer number (37072).

2³⁴⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

349404 is an abundant number, since it is smaller than the sum of its proper divisors (540324).

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

349404 is a wasteful number, since it uses less digits than its factorization.

349404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 349404 is about 591.1040517540. The cubic root of 349404 is about 70.4329627834.

The spelling of 349404 in words is "three hundred forty-nine thousand, four hundred four".