343873780 has 24 divisors (see below), whose sum is σ = 760142880. Its totient is φ = 130309920.

The previous prime is 343873769. The next prime is 343873787. The reversal of 343873780 is 87378343.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343873787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452086 + ... + 452845.

It is an arithmetic number, because the mean of its divisors is an integer number (31672620).

Almost surely, 2^343873780 is an apocalyptic number.

It is an amenable number.

343873780 is an abundant number, since it is smaller than the sum of its proper divisors (416269100).

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

343873780 is a wasteful number, since it uses less digits than its factorization.

343873780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904959 (or 904957 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 343873780 is about 18543.8340156506. The cubic root of 343873780 is about 700.5939041320.

The spelling of 343873780 in words is "three hundred forty-three million, eight hundred seventy-three thousand, seven hundred eighty".