349128653 has 8 divisors (see below), whose sum is σ = 365963136. Its totient is φ = 332690400.

The previous prime is 349128623. The next prime is 349128673. The reversal of 349128653 is 356821943.

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

It is not a de Polignac number, because 349128653 - 2⁸ = 349128397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349128653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349128613) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 97253 + ... + 100778.

It is an arithmetic number, because the mean of its divisors is an integer number (45745392).

Almost surely, 2^349128653 is an apocalyptic number.

It is an amenable number.

349128653 is a deficient number, since it is larger than the sum of its proper divisors (16834483).

349128653 is a wasteful number, since it uses less digits than its factorization.

349128653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198115.

The product of its digits is 155520, while the sum is 41.

The square root of 349128653 is about 18684.9846935982. The cubic root of 349128653 is about 704.1445641106.

The spelling of 349128653 in words is "three hundred forty-nine million, one hundred twenty-eight thousand, six hundred fifty-three".