4354240 has 56 divisors (see below), whose sum is σ = 11320272. Its totient is φ = 1582080.

The previous prime is 4354213. The next prime is 4354253. The reversal of 4354240 is 424534.

It is a happy number.

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 a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 2902 + ... + 4138.

Almost surely, 2^4354240 is an apocalyptic number.

4354240 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 4354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660136).

4354240 is an abundant number, since it is smaller than the sum of its proper divisors (6966032).

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

4354240 is a wasteful number, since it uses less digits than its factorization.

4354240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4354240 is about 2086.6815760916. The cubic root of 4354240 is about 163.2942106307.

Adding to 4354240 its reverse (424534), we get a palindrome (4778774).

The spelling of 4354240 in words is "four million, three hundred fifty-four thousand, two hundred forty".