341872640 has 52 divisors (see below), whose sum is σ = 820443324. Its totient is φ = 136740864.

The previous prime is 341872639. The next prime is 341872649. The reversal of 341872640 is 46278143.

It can be written as a sum of positive squares in 2 ways, for example, as 67108864 + 274763776 = 8192^2 + 16576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 341872640.

It is not an unprimeable number, because it can be changed into a prime (341872649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12134 + ... + 28826.

Almost surely, 2^341872640 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 341872640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410221662).

341872640 is an abundant number, since it is smaller than the sum of its proper divisors (478570684).

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

341872640 is an equidigital number, since it uses as much as digits as its factorization.

341872640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722 (or 16700 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 341872640 is about 18489.7982682343. The cubic root of 341872640 is about 699.2322466787.

The spelling of 341872640 in words is "three hundred forty-one million, eight hundred seventy-two thousand, six hundred forty".