4304240 has 40 divisors (see below), whose sum is σ = 10097568. Its totient is φ = 1706240.

The previous prime is 4304231. The next prime is 4304249. The reversal of 4304240 is 424034.

It is an interprime number because it is at equal distance from previous prime (4304231) and next prime (4304249).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685 + ... + 13995.

Almost surely, 2^4304240 is an apocalyptic number.

4304240 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 4304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5048784).

4304240 is an abundant number, since it is smaller than the sum of its proper divisors (5793328).

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

4304240 is a wasteful number, since it uses less digits than its factorization.

4304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4304240 is about 2074.6662382176. Note that the first 3 decimals coincide. The cubic root of 4304240 is about 162.6667637134. Note that the first 3 decimals are identical.

Adding to 4304240 its reverse (424034), we get a palindrome (4728274).

The spelling of 4304240 in words is "four million, three hundred four thousand, two hundred forty".