4232381 has 4 divisors (see below), whose sum is σ = 4292064. Its totient is φ = 4172700.

The previous prime is 4232357. The next prime is 4232407. The reversal of 4232381 is 1832324.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4232381 is a prime.

It is a super-2 number, since 2×4232381² = 35826097858322, which contains 22 as substring.

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 (4232351) 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, 29735 + ... + 29876.

It is an arithmetic number, because the mean of its divisors is an integer number (1073016).

Almost surely, 2^4232381 is an apocalyptic number.

It is an amenable number.

4232381 is a deficient number, since it is larger than the sum of its proper divisors (59683).

4232381 is an equidigital number, since it uses as much as digits as its factorization.

4232381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59682.

The product of its digits is 1152, while the sum is 23.

The square root of 4232381 is about 2057.2751395961. The cubic root of 4232381 is about 161.7564419126.

It can be divided in two parts, 42 and 32381, that added together give a palindrome (32423).

The spelling of 4232381 in words is "four million, two hundred thirty-two thousand, three hundred eighty-one".