4297240 has 32 divisors (see below), whose sum is σ = 9856080. Its totient is φ = 1685632.

The previous prime is 4297207. The next prime is 4297259. The reversal of 4297240 is 427924.

It is a junction number, because it is equal to n+sod(n) for n = 4297199 and 4297208.

It is a congruent number.

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, 1107 + ... + 3133.

Almost surely, 2^4297240 is an apocalyptic number.

4297240 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 4297240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4928040).

4297240 is an abundant number, since it is smaller than the sum of its proper divisors (5558840).

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

4297240 is a wasteful number, since it uses less digits than its factorization.

4297240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4297240 is about 2072.9785334151. The cubic root of 4297240 is about 162.5785340316.

The spelling of 4297240 in words is "four million, two hundred ninety-seven thousand, two hundred forty".