6341645 has 8 divisors (see below), whose sum is σ = 7633656. Its totient is φ = 5057536.

The previous prime is 6341641. The next prime is 6341653. The reversal of 6341645 is 5461436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 206116 + 6135529 = 454^2 + 2477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6341645 - 2² = 6341641 is a prime.

It is a super-3 number, since 3×6341645³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6341641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (954207).

Almost surely, 2^6341645 is an apocalyptic number.

It is an amenable number.

6341645 is a deficient number, since it is larger than the sum of its proper divisors (1292011).

6341645 is a wasteful number, since it uses less digits than its factorization.

6341645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its digits is 8640, while the sum is 29.

The square root of 6341645 is about 2518.2622976966. The cubic root of 6341645 is about 185.0975380471.

The spelling of 6341645 in words is "six million, three hundred forty-one thousand, six hundred forty-five".