343412540 has 48 divisors (see below), whose sum is σ = 772898112. Its totient is φ = 127835136.

The previous prime is 343412527. The next prime is 343412549. The reversal of 343412540 is 45214343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343412549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6932 + ... + 27108.

It is an arithmetic number, because the mean of its divisors is an integer number (16102044).

Almost surely, 2^343412540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343412540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386449056).

343412540 is an abundant number, since it is smaller than the sum of its proper divisors (429485572).

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

343412540 is a wasteful number, since it uses less digits than its factorization.

343412540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20246 (or 20244 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 343412540 is about 18531.3933636950. The cubic root of 343412540 is about 700.2805270188.

Adding to 343412540 its reverse (45214343), we get a palindrome (388626883).

The spelling of 343412540 in words is "three hundred forty-three million, four hundred twelve thousand, five hundred forty".