349722056 has 16 divisors (see below), whose sum is σ = 690241200. Its totient is φ = 165657744.

The previous prime is 349721993. The next prime is 349722071. The reversal of 349722056 is 650227943.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 3 ways as a sum of consecutive naturals, for example, 1150250 + ... + 1150553.

It is an arithmetic number, because the mean of its divisors is an integer number (43140075).

Almost surely, 2^349722056 is an apocalyptic number.

It is an amenable number.

349722056 is a deficient number, since it is larger than the sum of its proper divisors (340519144).

349722056 is a wasteful number, since it uses less digits than its factorization.

349722056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300828 (or 2300824 counting only the distinct ones).

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

The square root of 349722056 is about 18700.8570926575. The cubic root of 349722056 is about 704.5432757658.

Adding to 349722056 its reverse (650227943), we get a palindrome (999949999).

The spelling of 349722056 in words is "three hundred forty-nine million, seven hundred twenty-two thousand, fifty-six".