343834940 has 24 divisors (see below), whose sum is σ = 722746752. Its totient is φ = 137401920.

The previous prime is 343834937. The next prime is 343834943. The reversal of 343834940 is 49438343.

It is an interprime number because it is at equal distance from previous prime (343834937) and next prime (343834943).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 343834894 and 343834903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343834943) 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, 14645 + ... + 30035.

It is an arithmetic number, because the mean of its divisors is an integer number (30114448).

Almost surely, 2^343834940 is an apocalyptic number.

It is an amenable number.

343834940 is an abundant number, since it is smaller than the sum of its proper divisors (378911812).

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

343834940 is a wasteful number, since it uses less digits than its factorization.

343834940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517 (or 16515 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 343834940 is about 18542.7867377048. The cubic root of 343834940 is about 700.5675261475.

The spelling of 343834940 in words is "three hundred forty-three million, eight hundred thirty-four thousand, nine hundred forty".