343849740 has 96 divisors (see below), whose sum is σ = 1040449536. Its totient is φ = 84345600.

The previous prime is 343849733. The next prime is 343849757. The reversal of 343849740 is 47948343.

343849740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 343849692 and 343849701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298165 + ... + 299315.

It is an arithmetic number, because the mean of its divisors is an integer number (10838016).

Almost surely, 2^343849740 is an apocalyptic number.

343849740 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 343849740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520224768).

343849740 is an abundant number, since it is smaller than the sum of its proper divisors (696599796).

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

343849740 is a wasteful number, since it uses less digits than its factorization.

343849740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 343849740 is about 18543.1858104264. The cubic root of 343849740 is about 700.5775777249.

The spelling of 343849740 in words is "three hundred forty-three million, eight hundred forty-nine thousand, seven hundred forty".