343401404 has 18 divisors (see below), whose sum is σ = 615979392. Its totient is φ = 167509600.

The previous prime is 343401379. The next prime is 343401419. The reversal of 343401404 is 404104343.

It is a self number, because there is not a number n which added to its sum of digits gives 343401404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18812 + ... + 32259.

Almost surely, 2^343401404 is an apocalyptic number.

It is an amenable number.

343401404 is a deficient number, since it is larger than the sum of its proper divisors (272577988).

343401404 is a wasteful number, since it uses less digits than its factorization.

343401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51157 (or 51114 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 343401404 is about 18531.0928981536. The cubic root of 343401404 is about 700.2729574949.

Adding to 343401404 its reverse (404104343), we get a palindrome (747505747).

The spelling of 343401404 in words is "three hundred forty-three million, four hundred one thousand, four hundred four".