343214340 has 96 divisors (see below), whose sum is σ = 1102429440. Its totient is φ = 78153216.

The previous prime is 343214329. The next prime is 343214341. The reversal of 343214340 is 43412343.

It is a self number, because there is not a number n which added to its sum of digits gives 343214340.

It is not an unprimeable number, because it can be changed into a prime (343214341) 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, 121666 + ... + 124454.

It is an arithmetic number, because the mean of its divisors is an integer number (11483640).

Almost surely, 2^343214340 is an apocalyptic number.

343214340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343214340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551214720).

343214340 is an abundant number, since it is smaller than the sum of its proper divisors (759215100).

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

343214340 is a wasteful number, since it uses less digits than its factorization.

343214340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 343214340 is about 18526.0449098020. The cubic root of 343214340 is about 700.1457791623.

Adding to 343214340 its reverse (43412343), we get a palindrome (386626683).

The spelling of 343214340 in words is "three hundred forty-three million, two hundred fourteen thousand, three hundred forty".