349697228 has 6 divisors (see below), whose sum is σ = 611970156. Its totient is φ = 174848612.

The previous prime is 349697219. The next prime is 349697239. The reversal of 349697228 is 822796943.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43712150 + ... + 43712157.

It is an arithmetic number, because the mean of its divisors is an integer number (101995026).

Almost surely, 2^349697228 is an apocalyptic number.

It is an amenable number.

349697228 is a deficient number, since it is larger than the sum of its proper divisors (262272928).

349697228 is a wasteful number, since it uses less digits than its factorization.

349697228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87424311 (or 87424309 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 349697228 is about 18700.1932610334. The cubic root of 349697228 is about 704.5266027021.

The spelling of 349697228 in words is "three hundred forty-nine million, six hundred ninety-seven thousand, two hundred twenty-eight".