343654040 has 64 divisors (see below), whose sum is σ = 814613760. Its totient is φ = 130218880.

The previous prime is 343654033. The next prime is 343654043. The reversal of 343654040 is 40456343.

It is a junction number, because it is equal to n+sod(n) for n = 343653994 and 343654012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343654043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96695 + ... + 100185.

It is an arithmetic number, because the mean of its divisors is an integer number (12728340).

Almost surely, 2^343654040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343654040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407306880).

343654040 is an abundant number, since it is smaller than the sum of its proper divisors (470959720).

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

343654040 is a wasteful number, since it uses less digits than its factorization.

343654040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 343654040 is about 18537.9081883583. The cubic root of 343654040 is about 700.4446426715. Note that the first 3 decimals are identical.

The spelling of 343654040 in words is "three hundred forty-three million, six hundred fifty-four thousand, forty".