4323981 has 4 divisors (see below), whose sum is σ = 5765312. Its totient is φ = 2882652.

The previous prime is 4323961. The next prime is 4323997. The reversal of 4323981 is 1893234.

4323981 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 4323981 - 2¹⁵ = 4291213 is a prime.

It is a super-2 number, since 2×4323981² = 37393623376722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323941) 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, 720661 + ... + 720666.

It is an arithmetic number, because the mean of its divisors is an integer number (1441328).

Almost surely, 2^4323981 is an apocalyptic number.

It is an amenable number.

4323981 is a deficient number, since it is larger than the sum of its proper divisors (1441331).

4323981 is a wasteful number, since it uses less digits than its factorization.

4323981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441330.

The product of its digits is 5184, while the sum is 30.

The square root of 4323981 is about 2079.4184283111. The cubic root of 4323981 is about 162.9150698608.

The spelling of 4323981 in words is "four million, three hundred twenty-three thousand, nine hundred eighty-one".