343883880 has 128 divisors (see below), whose sum is σ = 1160726400. Its totient is φ = 91679040.

The previous prime is 343883867. The next prime is 343883921. The reversal of 343883880 is 88388343.

It is a super-2 number, since 2×343883880² = 236512245847708800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85515 + ... + 89445.

It is an arithmetic number, because the mean of its divisors is an integer number (9068175).

Almost surely, 2^343883880 is an apocalyptic number.

343883880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343883880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580363200).

343883880 is an abundant number, since it is smaller than the sum of its proper divisors (816842520).

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

343883880 is an equidigital number, since it uses as much as digits as its factorization.

343883880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 343883880 is about 18544.1063413689. The cubic root of 343883880 is about 700.6007631692.

The spelling of 343883880 in words is "three hundred forty-three million, eight hundred eighty-three thousand, eight hundred eighty".