343477378 has 16 divisors (see below), whose sum is σ = 530576640. Its totient is φ = 166669776.

The previous prime is 343477373. The next prime is 343477391. The reversal of 343477378 is 873774343.

It is not an unprimeable number, because it can be changed into a prime (343477373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783 + ... + 26221.

It is an arithmetic number, because the mean of its divisors is an integer number (33161040).

Almost surely, 2^343477378 is an apocalyptic number.

343477378 is a deficient number, since it is larger than the sum of its proper divisors (187099262).

343477378 is a wasteful number, since it uses less digits than its factorization.

343477378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641.

The product of its digits is 1185408, while the sum is 46.

The square root of 343477378 is about 18533.1426908660. The cubic root of 343477378 is about 700.3245963972.

The spelling of 343477378 in words is "three hundred forty-three million, four hundred seventy-seven thousand, three hundred seventy-eight".