349991322 has 32 divisors (see below), whose sum is σ = 737538048. Its totient is φ = 110503536.

The previous prime is 349991321. The next prime is 349991339. The reversal of 349991322 is 223199943.

It is not an unprimeable number, because it can be changed into a prime (349991321) 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, 1903 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (23048064).

Almost surely, 2^349991322 is an apocalyptic number.

349991322 is an abundant number, since it is smaller than the sum of its proper divisors (387546726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349991322 is a wasteful number, since it uses less digits than its factorization.

349991322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24754.

The product of its digits is 104976, while the sum is 42.

The square root of 349991322 is about 18708.0550031263. The cubic root of 349991322 is about 704.7240487337.

The spelling of 349991322 in words is "three hundred forty-nine million, nine hundred ninety-one thousand, three hundred twenty-two".