2231384 has 16 divisors (see below), whose sum is σ = 4286520. Its totient is φ = 1088320.

The previous prime is 2231381. The next prime is 2231389. The reversal of 2231384 is 4831322.

It is a super-3 number, since 3×2231384³ = 33330681893554893312, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074 + ... + 3729.

2^2231384 is an apocalyptic number.

It is an amenable number.

2231384 is a deficient number, since it is larger than the sum of its proper divisors (2055136).

2231384 is a wasteful number, since it uses less digits than its factorization.

2231384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850 (or 6846 counting only the distinct ones).

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

The square root of 2231384 is about 1493.7817779047. The cubic root of 2231384 is about 130.6746778836.

The spelling of 2231384 in words is "two million, two hundred thirty-one thousand, three hundred eighty-four".