343449855 has 32 divisors (see below), whose sum is σ = 697804800. Its totient is φ = 157005216.

The previous prime is 343449851. The next prime is 343449877. The reversal of 343449855 is 558944343.

It is not a de Polignac number, because 343449855 - 2² = 343449851 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 343449855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343449851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180775 + ... + 182664.

It is an arithmetic number, because the mean of its divisors is an integer number (21806400).

Almost surely, 2^343449855 is an apocalyptic number.

343449855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

343449855 is an abundant number, since it is smaller than the sum of its proper divisors (354354945).

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

343449855 is a wasteful number, since it uses less digits than its factorization.

343449855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363460 (or 363454 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 343449855 is about 18532.4001413740. The cubic root of 343449855 is about 700.3058901204.

The spelling of 343449855 in words is "three hundred forty-three million, four hundred forty-nine thousand, eight hundred fifty-five".