4231489 has 4 divisors (see below), whose sum is σ = 4270420. Its totient is φ = 4192560.

The previous prime is 4231483. The next prime is 4231537. The reversal of 4231489 is 9841324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2772225 + 1459264 = 1665^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231489 - 2¹¹ = 4229441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231489.

It is not an unprimeable number, because it can be changed into a prime (4231483) 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, 19302 + ... + 19519.

It is an arithmetic number, because the mean of its divisors is an integer number (1067605).

Almost surely, 2^4231489 is an apocalyptic number.

It is an amenable number.

4231489 is a deficient number, since it is larger than the sum of its proper divisors (38931).

4231489 is a wasteful number, since it uses less digits than its factorization.

4231489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38930.

The product of its digits is 6912, while the sum is 31.

The square root of 4231489 is about 2057.0583365573. The cubic root of 4231489 is about 161.7450773967.

The spelling of 4231489 in words is "four million, two hundred thirty-one thousand, four hundred eighty-nine".