2031384 has 32 divisors (see below), whose sum is σ = 5177520. Its totient is φ = 663936.

The previous prime is 2031353. The next prime is 2031391. The reversal of 2031384 is 4831302.

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 2031384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474 + ... + 2070.

2^2031384 is an apocalyptic number.

2031384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2588760).

2031384 is an abundant number, since it is smaller than the sum of its proper divisors (3146136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031384 is a wasteful number, since it uses less digits than its factorization.

2031384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2031384 is about 1425.2662909085. The cubic root of 2031384 is about 126.6477103057.

Adding to 2031384 its reverse (4831302), we get a palindrome (6862686).

It can be divided in two parts, 2031 and 384, that added together give a triangular number (2415 = T₆₉).

The spelling of 2031384 in words is "two million, thirty-one thousand, three hundred eighty-four".