349578418 has 8 divisors (see below), whose sum is σ = 599277312. Its totient is φ = 149819316.

The previous prime is 349578389. The next prime is 349578419. The reversal of 349578418 is 814875943.

349578418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (349578419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12484930 + ... + 12484957.

It is an arithmetic number, because the mean of its divisors is an integer number (74909664).

Almost surely, 2^349578418 is an apocalyptic number.

349578418 is a deficient number, since it is larger than the sum of its proper divisors (249698894).

349578418 is a wasteful number, since it uses less digits than its factorization.

349578418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24969896.

The product of its digits is 967680, while the sum is 49.

The square root of 349578418 is about 18697.0162860281. The cubic root of 349578418 is about 704.4468057803.

The spelling of 349578418 in words is "three hundred forty-nine million, five hundred seventy-eight thousand, four hundred eighteen".