343040404 has 48 divisors (see below), whose sum is σ = 703438848. Its totient is φ = 143323488.

The previous prime is 343040387. The next prime is 343040417. The reversal of 343040404 is 404040343.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609027 + ... + 609589.

It is an arithmetic number, because the mean of its divisors is an integer number (14654976).

Almost surely, 2^343040404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343040404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351719424).

343040404 is an abundant number, since it is smaller than the sum of its proper divisors (360398444).

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

343040404 is a wasteful number, since it uses less digits than its factorization.

343040404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 343040404 is about 18521.3499508000. The cubic root of 343040404 is about 700.0274846351.

Adding to 343040404 its reverse (404040343), we get a palindrome (747080747).

It can be divided in two parts, 3430 and 40404, that added together give a palindrome (43834).

The spelling of 343040404 in words is "three hundred forty-three million, forty thousand, four hundred four".