4333981 has 4 divisors (see below), whose sum is σ = 4356864. Its totient is φ = 4311100.

The previous prime is 4333943. The next prime is 4333991. The reversal of 4333981 is 1893334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1893334 = 2 ⋅946667.

It is a cyclic number.

It is not a de Polignac number, because 4333981 - 2⁷ = 4333853 is a prime.

It is a super-2 number, since 2×4333981² = 37566782616722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4333991) 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, 11155 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (1089216).

Almost surely, 2^4333981 is an apocalyptic number.

It is an amenable number.

4333981 is a deficient number, since it is larger than the sum of its proper divisors (22883).

4333981 is a wasteful number, since it uses less digits than its factorization.

4333981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22882.

The product of its digits is 7776, while the sum is 31.

The square root of 4333981 is about 2081.8215581553. The cubic root of 4333981 is about 163.0405635055.

The spelling of 4333981 in words is "four million, three hundred thirty-three thousand, nine hundred eighty-one".