343907676 has 216 divisors, whose sum is σ = 1102133760. Its totient is φ = 89812800.

The previous prime is 343907651. The next prime is 343907677. The reversal of 343907676 is 676709343.

It is a super-2 number, since 2×343907676² = 236544979223441952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343907677) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1038831 + ... + 1039161.

Almost surely, 2^343907676 is an apocalyptic number.

343907676 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343907676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551066880).

343907676 is an abundant number, since it is smaller than the sum of its proper divisors (758226084).

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

343907676 is a wasteful number, since it uses less digits than its factorization.

343907676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 343907676 is about 18544.7479357364. The cubic root of 343907676 is about 700.6169228016.

The spelling of 343907676 in words is "three hundred forty-three million, nine hundred seven thousand, six hundred seventy-six".