343969904 has 40 divisors (see below), whose sum is σ = 675813888. Its totient is φ = 169583040.

The previous prime is 343969903. The next prime is 343969909. The reversal of 343969904 is 409969343.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343969903) 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, 566369 + ... + 566975.

Almost surely, 2^343969904 is an apocalyptic number.

It is an amenable number.

343969904 is a deficient number, since it is larger than the sum of its proper divisors (331843984).

343969904 is a wasteful number, since it uses less digits than its factorization.

343969904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 343969904 is about 18546.4256394595. The cubic root of 343969904 is about 700.6591777085.

The spelling of 343969904 in words is "three hundred forty-three million, nine hundred sixty-nine thousand, nine hundred four".