4231994 has 16 divisors (see below), whose sum is σ = 6891360. Its totient is φ = 1937520.

The previous prime is 4231993. The next prime is 4232009. The reversal of 4231994 is 4991324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231994.

It is not an unprimeable number, because it can be changed into a prime (4231991) 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, 3029 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (430710).

Almost surely, 2^4231994 is an apocalyptic number.

4231994 is a deficient number, since it is larger than the sum of its proper divisors (2659366).

4231994 is a wasteful number, since it uses less digits than its factorization.

4231994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325.

The product of its digits is 7776, while the sum is 32.

The square root of 4231994 is about 2057.1810809941. The cubic root of 4231994 is about 161.7515115396.

It can be divided in two parts, 4231 and 994, that added together give a palindrome (5225).

The spelling of 4231994 in words is "four million, two hundred thirty-one thousand, nine hundred ninety-four".