4352240 has 20 divisors (see below), whose sum is σ = 10119144. Its totient is φ = 1740864.

The previous prime is 4352239. The next prime is 4352251. The reversal of 4352240 is 422534.

It is a tau number, because it is divible by the number of its divisors (20).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27122 + ... + 27281.

Almost surely, 2^4352240 is an apocalyptic number.

4352240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4352240 is an abundant number, since it is smaller than the sum of its proper divisors (5766904).

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

4352240 is a wasteful number, since it uses less digits than its factorization.

4352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54416 (or 54410 counting only the distinct ones).

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

The square root of 4352240 is about 2086.2022912460. The cubic root of 4352240 is about 163.2692052385.

Adding to 4352240 its reverse (422534), we get a palindrome (4774774).

The spelling of 4352240 in words is "four million, three hundred fifty-two thousand, two hundred forty".