4338981 has 16 divisors (see below), whose sum is σ = 6462720. Its totient is φ = 2877120.

The previous prime is 4338979. The next prime is 4339021. The reversal of 4338981 is 1898334.

It is not a de Polignac number, because 4338981 - 2¹ = 4338979 is a prime.

It is a super-2 number, since 2×4338981² = 37653512236722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4328981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7021 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (403920).

Almost surely, 2^4338981 is an apocalyptic number.

It is an amenable number.

4338981 is a deficient number, since it is larger than the sum of its proper divisors (2123739).

4338981 is a wasteful number, since it uses less digits than its factorization.

4338981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 867 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4338981 is about 2083.0220834163. The cubic root of 4338981 is about 163.1032379478.

The spelling of 4338981 in words is "four million, three hundred thirty-eight thousand, nine hundred eighty-one".