349245272 has 32 divisors (see below), whose sum is σ = 669222000. Its totient is φ = 170822784.

The previous prime is 349245241. The next prime is 349245283. The reversal of 349245272 is 272542943.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77678 + ... + 82050.

Almost surely, 2^349245272 is an apocalyptic number.

It is an amenable number.

349245272 is a deficient number, since it is larger than the sum of its proper divisors (319976728).

349245272 is a wasteful number, since it uses less digits than its factorization.

349245272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4591 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 349245272 is about 18688.1050938826. The cubic root of 349245272 is about 704.2229568872. Note that the first 3 decimals are identical.

The spelling of 349245272 in words is "three hundred forty-nine million, two hundred forty-five thousand, two hundred seventy-two".