343485780 has 48 divisors (see below), whose sum is σ = 1049194944. Its totient is φ = 83269120.

The previous prime is 343485733. The next prime is 343485803. The reversal of 343485780 is 87584343.

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, 259557 + ... + 260876.

It is an arithmetic number, because the mean of its divisors is an integer number (21858228).

Almost surely, 2^343485780 is an apocalyptic number.

343485780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343485780 is an abundant number, since it is smaller than the sum of its proper divisors (705709164).

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

343485780 is a wasteful number, since it uses less digits than its factorization.

343485780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520456 (or 520454 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 343485780 is about 18533.3693644734. The cubic root of 343485780 is about 700.3303066998.

The spelling of 343485780 in words is "three hundred forty-three million, four hundred eighty-five thousand, seven hundred eighty".