349913655 has 144 divisors (see below), whose sum is σ = 786080160. Its totient is φ = 147184128.

The previous prime is 349913617. The next prime is 349913677. The reversal of 349913655 is 556319943.

It is not a de Polignac number, because 349913655 - 2²⁷ = 215695927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 349913655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1117779 + ... + 1118091.

It is an arithmetic number, because the mean of its divisors is an integer number (5458890).

Almost surely, 2^349913655 is an apocalyptic number.

349913655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

349913655 is an abundant number, since it is smaller than the sum of its proper divisors (436166505).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349913655 is a wasteful number, since it uses less digits than its factorization.

349913655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 341 counting only the distinct ones).

The product of its digits is 437400, while the sum is 45.

The square root of 349913655 is about 18705.9791243335. The cubic root of 349913655 is about 704.6719161537.

The spelling of 349913655 in words is "three hundred forty-nine million, nine hundred thirteen thousand, six hundred fifty-five".