343804680 has 96 divisors (see below), whose sum is σ = 1144667160. Its totient is φ = 89441280.

The previous prime is 343804679. The next prime is 343804687. The reversal of 343804680 is 86408343.

It can be written as a sum of positive squares in 4 ways, for example, as 85045284 + 258759396 = 9222^2 + 16086^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (343804687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3114 + ... + 26406.

Almost surely, 2^343804680 is an apocalyptic number.

343804680 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 343804680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572333580).

343804680 is an abundant number, since it is smaller than the sum of its proper divisors (800862480).

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

343804680 is a wasteful number, since it uses less digits than its factorization.

343804680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23351 (or 23344 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 343804680 is about 18541.9707690418. The cubic root of 343804680 is about 700.5469738487.

It can be divided in two parts, 34380 and 4680, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 343804680 in words is "three hundred forty-three million, eight hundred four thousand, six hundred eighty".