349728055 has 8 divisors (see below), whose sum is σ = 420246000. Its totient is φ = 279400896.

The previous prime is 349728017. The next prime is 349728059. The reversal of 349728055 is 550827943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349728055 - 2¹¹ = 349726007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349728059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43630 + ... + 51019.

It is an arithmetic number, because the mean of its divisors is an integer number (52530750).

Almost surely, 2^349728055 is an apocalyptic number.

349728055 is a deficient number, since it is larger than the sum of its proper divisors (70517945).

349728055 is an equidigital number, since it uses as much as digits as its factorization.

349728055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95393.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 349728055 is about 18701.0174856878. The cubic root of 349728055 is about 704.5473042325.

The spelling of 349728055 in words is "three hundred forty-nine million, seven hundred twenty-eight thousand, fifty-five".