349009018 has 8 divisors (see below), whose sum is σ = 526980960. Its totient is φ = 173348700.

The previous prime is 349008977. The next prime is 349009033. The reversal of 349009018 is 810900943.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577528 + ... + 578131.

It is an arithmetic number, because the mean of its divisors is an integer number (65872620).

Almost surely, 2^349009018 is an apocalyptic number.

349009018 is a deficient number, since it is larger than the sum of its proper divisors (177971942).

349009018 is a wasteful number, since it uses less digits than its factorization.

349009018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155812.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 349009018 is about 18681.7830519466. The cubic root of 349009018 is about 704.0641257983.

The spelling of 349009018 in words is "three hundred forty-nine million, nine thousand, eighteen".