349726250 has 40 divisors (see below), whose sum is σ = 660988416. Its totient is φ = 138726000.

The previous prime is 349726241. The next prime is 349726253. The reversal of 349726250 is 52627943.

It is not an unprimeable number, because it can be changed into a prime (349726253) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 157649 + ... + 159851.

Almost surely, 2^349726250 is an apocalyptic number.

349726250 is a deficient number, since it is larger than the sum of its proper divisors (311262166).

349726250 is a wasteful number, since it uses less digits than its factorization.

349726250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 349726250 is about 18700.9692262193. The cubic root of 349726250 is about 704.5460921383.

The spelling of 349726250 in words is "three hundred forty-nine million, seven hundred twenty-six thousand, two hundred fifty".