4330681 has 4 divisors (see below), whose sum is σ = 4336612. Its totient is φ = 4324752.

The previous prime is 4330673. The next prime is 4330687. The reversal of 4330681 is 1860334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2325625 + 2005056 = 1525^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 4330681 - 2³ = 4330673 is a prime.

It is a super-2 number, since 2×4330681² = 37509595847522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4330687) 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, 1686 + ... + 3391.

It is an arithmetic number, because the mean of its divisors is an integer number (1084153).

Almost surely, 2^4330681 is an apocalyptic number.

It is an amenable number.

4330681 is a deficient number, since it is larger than the sum of its proper divisors (5931).

4330681 is an equidigital number, since it uses as much as digits as its factorization.

4330681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4330681 is about 2081.0288320924. The cubic root of 4330681 is about 162.9991719631. Note that the first 3 decimals are identical.

The spelling of 4330681 in words is "four million, three hundred thirty thousand, six hundred eighty-one".