2142484 has 12 divisors (see below), whose sum is σ = 3761044. Its totient is φ = 1067904.

The previous prime is 2142463. The next prime is 2142499. The reversal of 2142484 is 4842412.

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 1258884 = 940^2 + 1122^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1114 + ... + 2350.

2^2142484 is an apocalyptic number.

It is an amenable number.

2142484 is a deficient number, since it is larger than the sum of its proper divisors (1618560).

2142484 is a wasteful number, since it uses less digits than its factorization.

2142484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 2142484 is about 1463.7226513244. The cubic root of 2142484 is about 128.9157152291.

Adding to 2142484 its reverse (4842412), we get a palindrome (6984896).

The spelling of 2142484 in words is "two million, one hundred forty-two thousand, four hundred eighty-four".