349293386 has 16 divisors (see below), whose sum is σ = 577366944. Its totient is φ = 157462704.

The previous prime is 349293379. The next prime is 349293403. The reversal of 349293386 is 683392943.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 349293386.

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, 155096 + ... + 157331.

It is an arithmetic number, because the mean of its divisors is an integer number (36085434).

Almost surely, 2^349293386 is an apocalyptic number.

349293386 is a deficient number, since it is larger than the sum of its proper divisors (228073558).

349293386 is a wasteful number, since it uses less digits than its factorization.

349293386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312485.

The product of its digits is 839808, while the sum is 47.

The square root of 349293386 is about 18689.3923389713. The cubic root of 349293386 is about 704.2552946455.

The spelling of 349293386 in words is "three hundred forty-nine million, two hundred ninety-three thousand, three hundred eighty-six".