3240140 has 12 divisors (see below), whose sum is σ = 6804336. Its totient is φ = 1296048.

The previous prime is 3240131. The next prime is 3240143. The reversal of 3240140 is 410423.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80984 + ... + 81023.

It is an arithmetic number, because the mean of its divisors is an integer number (567028).

Almost surely, 2^3240140 is an apocalyptic number.

It is an amenable number.

3240140 is an abundant number, since it is smaller than the sum of its proper divisors (3564196).

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

3240140 is a wasteful number, since it uses less digits than its factorization.

3240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162016 (or 162014 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3240140 is about 1800.0388884688. The cubic root of 3240140 is about 147.9748557235.

Adding to 3240140 its reverse (410423), we get a palindrome (3650563).

The spelling of 3240140 in words is "three million, two hundred forty thousand, one hundred forty".