4203240 has 32 divisors (see below), whose sum is σ = 12610080. Its totient is φ = 1120832.

The previous prime is 4203239. The next prime is 4203247. The reversal of 4203240 is 423024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (4203247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17394 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (394065).

Almost surely, 2^4203240 is an apocalyptic number.

4203240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4203240 is an abundant number, since it is smaller than the sum of its proper divisors (8406840).

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

4203240 is a wasteful number, since it uses less digits than its factorization.

4203240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35041 (or 35037 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4203240 is about 2050.1804798602. The cubic root of 4203240 is about 161.3843421038.

Adding to 4203240 its reverse (423024), we get a palindrome (4626264).

The spelling of 4203240 in words is "four million, two hundred three thousand, two hundred forty".