343604 has 24 divisors (see below), whose sum is σ = 661248. Its totient is φ = 155520.

The previous prime is 343601. The next prime is 343627. The reversal of 343604 is 406343.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343601) 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, 2027 + ... + 2189.

It is an arithmetic number, because the mean of its divisors is an integer number (27552).

2³⁴³⁶⁰⁴ is an apocalyptic number.

343604 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

343604 is a deficient number, since it is larger than the sum of its proper divisors (317644).

343604 is a wasteful number, since it uses less digits than its factorization.

343604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 343604 is about 586.1774475362. The cubic root of 343604 is about 70.0410643409.

Adding to 343604 its reverse (406343), we get a palindrome (749947).

The spelling of 343604 in words is "three hundred forty-three thousand, six hundred four".