341021640 has 32 divisors (see below), whose sum is σ = 1023065280. Its totient is φ = 90939072.

The previous prime is 341021623. The next prime is 341021647. The reversal of 341021640 is 46120143.

It is not an unprimeable number, because it can be changed into a prime (341021647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1420804 + ... + 1421043.

It is an arithmetic number, because the mean of its divisors is an integer number (31970790).

Almost surely, 2^341021640 is an apocalyptic number.

341021640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

341021640 is an abundant number, since it is smaller than the sum of its proper divisors (682043640).

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

341021640 is a wasteful number, since it uses less digits than its factorization.

341021640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841861 (or 2841857 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 341021640 is about 18466.7712391744. The cubic root of 341021640 is about 698.6515810620.

Adding to 341021640 its reverse (46120143), we get a palindrome (387141783).

The spelling of 341021640 in words is "three hundred forty-one million, twenty-one thousand, six hundred forty".