349860772 has 6 divisors (see below), whose sum is σ = 612256358. Its totient is φ = 174930384.

The previous prime is 349860757. The next prime is 349860773. The reversal of 349860772 is 277068943.

It can be written as a sum of positive squares in only one way, i.e., 349540416 + 320356 = 18696^2 + 566^2 .

It is not an unprimeable number, because it can be changed into a prime (349860773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43732593 + ... + 43732600.

Almost surely, 2^349860772 is an apocalyptic number.

It is an amenable number.

349860772 is a deficient number, since it is larger than the sum of its proper divisors (262395586).

349860772 is a wasteful number, since it uses less digits than its factorization.

349860772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87465197 (or 87465195 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 349860772 is about 18704.5655389266. The cubic root of 349860772 is about 704.6364149742.

The spelling of 349860772 in words is "three hundred forty-nine million, eight hundred sixty thousand, seven hundred seventy-two".