2423642 has 24 divisors (see below), whose sum is σ = 4087188. Its totient is φ = 1071360.

The previous prime is 2423627. The next prime is 2423651. The reversal of 2423642 is 2463242.

It can be written as a sum of positive squares in 2 ways, for example, as 2307361 + 116281 = 1519^2 + 341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24938 + ... + 25034.

2^2423642 is an apocalyptic number.

2423642 is a deficient number, since it is larger than the sum of its proper divisors (1663546).

2423642 is a wasteful number, since it uses less digits than its factorization.

2423642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 143 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 2423642 is about 1556.8050616567. The cubic root of 2423642 is about 134.3247857809.

Adding to 2423642 its reverse (2463242), we get a palindrome (4886884).

The spelling of 2423642 in words is "two million, four hundred twenty-three thousand, six hundred forty-two".