4239140 has 24 divisors (see below), whose sum is σ = 9018240. Its totient is φ = 1673568.

The previous prime is 4239121. The next prime is 4239149. The reversal of 4239140 is 419324.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4239149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (375760).

Almost surely, 2^4239140 is an apocalyptic number.

It is an amenable number.

4239140 is an abundant number, since it is smaller than the sum of its proper divisors (4779100).

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

4239140 is a wasteful number, since it uses less digits than its factorization.

4239140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2769 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4239140 is about 2058.9171911468. The cubic root of 4239140 is about 161.8425030297.

The spelling of 4239140 in words is "four million, two hundred thirty-nine thousand, one hundred forty".