4239040 has 56 divisors (see below), whose sum is σ = 10881360. Its totient is φ = 1563648.

The previous prime is 4239013. The next prime is 4239041. The reversal of 4239040 is 409324.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4239041) 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, 3651 + ... + 4669.

It is an arithmetic number, because the mean of its divisors is an integer number (194310).

Almost surely, 2^4239040 is an apocalyptic number.

4239040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5440680).

4239040 is an abundant number, since it is smaller than the sum of its proper divisors (6642320).

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

4239040 is a wasteful number, since it uses less digits than its factorization.

4239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4239040 is about 2058.8929063941. The cubic root of 4239040 is about 161.8412304148.

The spelling of 4239040 in words is "four million, two hundred thirty-nine thousand, forty".