343342540 has 48 divisors (see below), whose sum is σ = 803628000. Its totient is φ = 122452992.

The previous prime is 343342537. The next prime is 343342541. The reversal of 343342540 is 45243343.

It is a junction number, because it is equal to n+sod(n) for n = 343342499 and 343342508.

It is not an unprimeable number, because it can be changed into a prime (343342541) 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, 20115 + ... + 33034.

It is an arithmetic number, because the mean of its divisors is an integer number (16742250).

Almost surely, 2^343342540 is an apocalyptic number.

It is an amenable number.

343342540 is an abundant number, since it is smaller than the sum of its proper divisors (460285460).

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

343342540 is a wasteful number, since it uses less digits than its factorization.

343342540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53194 (or 53192 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 343342540 is about 18529.5045805332. The cubic root of 343342540 is about 700.2329428819.

Adding to 343342540 its reverse (45243343), we get a palindrome (388585883).

The spelling of 343342540 in words is "three hundred forty-three million, three hundred forty-two thousand, five hundred forty".