4235240 has 32 divisors (see below), whose sum is σ = 9623880. Its totient is φ = 1677312.

The previous prime is 4235237. The next prime is 4235263. The reversal of 4235240 is 425324.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 3247204 = 994^2 + 1802^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4052 + ... + 4988.

Almost surely, 2^4235240 is an apocalyptic number.

4235240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4235240 is an abundant number, since it is smaller than the sum of its proper divisors (5388640).

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

4235240 is a wasteful number, since it uses less digits than its factorization.

4235240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4235240 is about 2057.9698734432. The cubic root of 4235240 is about 161.7928562126.

The spelling of 4235240 in words is "four million, two hundred thirty-five thousand, two hundred forty".