343020540 has 48 divisors (see below), whose sum is σ = 968976288. Its totient is φ = 90660864.

The previous prime is 343020527. The next prime is 343020563. The reversal of 343020540 is 45020343.

It is a happy number.

343020540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18517 + ... + 32076.

It is an arithmetic number, because the mean of its divisors is an integer number (20187006).

Almost surely, 2^343020540 is an apocalyptic number.

343020540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343020540 is an abundant number, since it is smaller than the sum of its proper divisors (625955748).

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

343020540 is a wasteful number, since it uses less digits than its factorization.

343020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50718 (or 50716 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 343020540 is about 18520.8136970275. The cubic root of 343020540 is about 700.0139725102.

Adding to 343020540 its reverse (45020343), we get a palindrome (388040883).

The spelling of 343020540 in words is "three hundred forty-three million, twenty thousand, five hundred forty".