343777340 has 24 divisors (see below), whose sum is σ = 722882832. Its totient is φ = 137329920.

The previous prime is 343777289. The next prime is 343777351. The reversal of 343777340 is 43777343.

It is a junction number, because it is equal to n+sod(n) for n = 343777294 and 343777303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 26660.

It is an arithmetic number, because the mean of its divisors is an integer number (30120118).

Almost surely, 2^343777340 is an apocalyptic number.

It is an amenable number.

343777340 is an abundant number, since it is smaller than the sum of its proper divisors (379105492).

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

343777340 is a wasteful number, since it uses less digits than its factorization.

343777340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22637 (or 22635 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 38.

The square root of 343777340 is about 18541.2335080490. The cubic root of 343777340 is about 700.5284037486.

The spelling of 343777340 in words is "three hundred forty-three million, seven hundred seventy-seven thousand, three hundred forty".