4339981 has 8 divisors (see below), whose sum is σ = 4674240. Its totient is φ = 4014528.

The previous prime is 4339963. The next prime is 4340003. The reversal of 4339981 is 1899334.

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 4339981 - 2⁹ = 4339469 is a prime.

It is a super-2 number, since 2×4339981² = 37670870160722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4339981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4339901) 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, 1161 + ... + 3166.

It is an arithmetic number, because the mean of its divisors is an integer number (584280).

Almost surely, 2^4339981 is an apocalyptic number.

It is an amenable number.

4339981 is a deficient number, since it is larger than the sum of its proper divisors (334259).

4339981 is a wasteful number, since it uses less digits than its factorization.

4339981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403.

The product of its digits is 23328, while the sum is 37.

The square root of 4339981 is about 2083.2621054490. The cubic root of 4339981 is about 163.1157670577.

The spelling of 4339981 in words is "four million, three hundred thirty-nine thousand, nine hundred eighty-one".