4681345 has 8 divisors (see below), whose sum is σ = 5630976. Its totient is φ = 3736176.

The previous prime is 4681343. The next prime is 4681349. The reversal of 4681345 is 5431864.

It is a happy number.

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 4681345 - 2¹ = 4681343 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 6⁸ + 8 + 1 + 3 + 4¹⁰ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4681343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (703872).

Almost surely, 2^4681345 is an apocalyptic number.

It is an amenable number.

4681345 is a deficient number, since it is larger than the sum of its proper divisors (949631).

4681345 is a wasteful number, since it uses less digits than its factorization.

4681345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 11520, while the sum is 31.

The square root of 4681345 is about 2163.6416061816. The cubic root of 4681345 is about 167.2849545950.

The spelling of 4681345 in words is "four million, six hundred eighty-one thousand, three hundred forty-five".