2142384 has 20 divisors (see below), whose sum is σ = 5534616. Its totient is φ = 714112.

The previous prime is 2142377. The next prime is 2142397. The reversal of 2142384 is 4832412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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, 22269 + ... + 22364.

2^2142384 is an apocalyptic number.

2142384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2142384 is an abundant number, since it is smaller than the sum of its proper divisors (3392232).

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

2142384 is a wasteful number, since it uses less digits than its factorization.

2142384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44644 (or 44638 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 2142384 is about 1463.6884914489. The cubic root of 2142384 is about 128.9137094930.

Adding to 2142384 its reverse (4832412), we get a palindrome (6974796).

The spelling of 2142384 in words is "two million, one hundred forty-two thousand, three hundred eighty-four".