4170240 has 120 divisors (see below), whose sum is σ = 14522508. Its totient is φ = 1105920.

The previous prime is 4170227. The next prime is 4170247. The reversal of 4170240 is 420714.

It is a happy number.

4170240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3504384 + 665856 = 1872^2 + 816^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4170247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22950 + ... + 23130.

Almost surely, 2^4170240 is an apocalyptic number.

4170240 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 4170240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7261254).

4170240 is an abundant number, since it is smaller than the sum of its proper divisors (10352268).

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

4170240 is a wasteful number, since it uses less digits than its factorization.

4170240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4170240 is about 2042.1165490735. The cubic root of 4170240 is about 160.9608844960.

Adding to 4170240 its reverse (420714), we get a palindrome (4590954).

The spelling of 4170240 in words is "four million, one hundred seventy thousand, two hundred forty".