349903270 has 16 divisors (see below), whose sum is σ = 651544560. Its totient is φ = 135134944.

The previous prime is 349903223. The next prime is 349903277. The reversal of 349903270 is 72309943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349903277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602992 + ... + 603571.

It is an arithmetic number, because the mean of its divisors is an integer number (40721535).

Almost surely, 2^349903270 is an apocalyptic number.

349903270 is a deficient number, since it is larger than the sum of its proper divisors (301641290).

349903270 is a wasteful number, since it uses less digits than its factorization.

349903270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206599.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 349903270 is about 18705.7015372319. The cubic root of 349903270 is about 704.6649448241.

The spelling of 349903270 in words is "three hundred forty-nine million, nine hundred three thousand, two hundred seventy".