343252780 has 48 divisors (see below), whose sum is σ = 821953440. Its totient is φ = 119282688.

The previous prime is 343252717. The next prime is 343252781. The reversal of 343252780 is 87252343.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (343252781) 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, 34410 + ... + 43249.

It is an arithmetic number, because the mean of its divisors is an integer number (17124030).

Almost surely, 2^343252780 is an apocalyptic number.

It is an amenable number.

343252780 is an abundant number, since it is smaller than the sum of its proper divisors (478700660).

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

343252780 is a wasteful number, since it uses less digits than its factorization.

343252780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77698 (or 77696 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 343252780 is about 18527.0823391056. The cubic root of 343252780 is about 700.1719169582.

The spelling of 343252780 in words is "three hundred forty-three million, two hundred fifty-two thousand, seven hundred eighty".