343544340 has 24 divisors (see below), whose sum is σ = 961924320. Its totient is φ = 91611808.

The previous prime is 343544323. The next prime is 343544389. The reversal of 343544340 is 43445343.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 343544298 and 343544307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2862810 + ... + 2862929.

It is an arithmetic number, because the mean of its divisors is an integer number (40080180).

Almost surely, 2^343544340 is an apocalyptic number.

343544340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343544340 is an abundant number, since it is smaller than the sum of its proper divisors (618379980).

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

343544340 is a wasteful number, since it uses less digits than its factorization.

343544340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725751 (or 5725749 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 343544340 is about 18534.9491501865. The cubic root of 343544340 is about 700.3701036043.

Adding to 343544340 its reverse (43445343), we get a palindrome (386989683).

The spelling of 343544340 in words is "three hundred forty-three million, five hundred forty-four thousand, three hundred forty".