343928538 has 32 divisors (see below), whose sum is σ = 804513600. Its totient is φ = 108608688.

The previous prime is 343928537. The next prime is 343928551. The reversal of 343928538 is 835829343.

343928538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 343928493 and 343928502.

It is not an unprimeable number, because it can be changed into a prime (343928537) 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, 166581 + ... + 168632.

It is an arithmetic number, because the mean of its divisors is an integer number (25141050).

Almost surely, 2^343928538 is an apocalyptic number.

343928538 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

343928538 is an abundant number, since it is smaller than the sum of its proper divisors (460585062).

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

343928538 is a wasteful number, since it uses less digits than its factorization.

343928538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335243 (or 335237 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 343928538 is about 18545.3104045201. The cubic root of 343928538 is about 700.6310893699.

The spelling of 343928538 in words is "three hundred forty-three million, nine hundred twenty-eight thousand, five hundred thirty-eight".