349947346 has 32 divisors (see below), whose sum is σ = 662826240. Its totient is φ = 135015936.

The previous prime is 349947343. The next prime is 349947347. The reversal of 349947346 is 643749943.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 349947346.

It is not an unprimeable number, because it can be changed into a prime (349947343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26491 + ... + 37438.

It is an arithmetic number, because the mean of its divisors is an integer number (20713320).

Almost surely, 2^349947346 is an apocalyptic number.

349947346 is a deficient number, since it is larger than the sum of its proper divisors (312878894).

349947346 is a wasteful number, since it uses less digits than its factorization.

349947346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63978.

The product of its digits is 1959552, while the sum is 49.

The square root of 349947346 is about 18706.8796435964. The cubic root of 349947346 is about 704.6945315801.

The spelling of 349947346 in words is "three hundred forty-nine million, nine hundred forty-seven thousand, three hundred forty-six".