4031489 has 16 divisors (see below), whose sum is σ = 5152896. Its totient is φ = 3062400.

The previous prime is 4031473. The next prime is 4031491. The reversal of 4031489 is 9841304.

It is not a de Polignac number, because 4031489 - 2⁴ = 4031473 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (322056).

Almost surely, 2^4031489 is an apocalyptic number.

It is an amenable number.

4031489 is a deficient number, since it is larger than the sum of its proper divisors (1121407).

4031489 is a wasteful number, since it uses less digits than its factorization.

4031489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4031489 is about 2007.8568176043. The cubic root of 4031489 is about 159.1555641620.

The spelling of 4031489 in words is "four million, thirty-one thousand, four hundred eighty-nine".