343086378 has 32 divisors (see below), whose sum is σ = 691830720. Its totient is φ = 113424000.

The previous prime is 343086353. The next prime is 343086389. The reversal of 343086378 is 873680343.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615676 + ... + 616232.

It is an arithmetic number, because the mean of its divisors is an integer number (21619710).

Almost surely, 2^343086378 is an apocalyptic number.

343086378 is an abundant number, since it is smaller than the sum of its proper divisors (348744342).

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

343086378 is a wasteful number, since it uses less digits than its factorization.

343086378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 343086378 is about 18522.5910174576. The cubic root of 343086378 is about 700.0587556123.

The spelling of 343086378 in words is "three hundred forty-three million, eighty-six thousand, three hundred seventy-eight".