3240142 has 4 divisors (see below), whose sum is σ = 4860216. Its totient is φ = 1620070.

The previous prime is 3240131. The next prime is 3240143. The reversal of 3240142 is 2410423.

3240142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2410423 = 23 ⋅104801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810034 + ... + 810037.

It is an arithmetic number, because the mean of its divisors is an integer number (1215054).

Almost surely, 2^3240142 is an apocalyptic number.

3240142 is a deficient number, since it is larger than the sum of its proper divisors (1620074).

3240142 is a wasteful number, since it uses less digits than its factorization.

3240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620073.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3240142 is about 1800.0394440123. The cubic root of 3240142 is about 147.9748861697.

Adding to 3240142 its reverse (2410423), we get a palindrome (5650565).

The spelling of 3240142 in words is "three million, two hundred forty thousand, one hundred forty-two".