4027240 has 64 divisors (see below), whose sum is σ = 10915200. Its totient is φ = 1306368.

The previous prime is 4027237. The next prime is 4027273. The reversal of 4027240 is 427204.

It is a super-3 number, since 3×4027240³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4942 + ... + 5698.

It is an arithmetic number, because the mean of its divisors is an integer number (170550).

Almost surely, 2^4027240 is an apocalyptic number.

4027240 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 4027240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5457600).

4027240 is an abundant number, since it is smaller than the sum of its proper divisors (6887960).

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

4027240 is a wasteful number, since it uses less digits than its factorization.

4027240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4027240 is about 2006.7984452854. The cubic root of 4027240 is about 159.0996303444.

The spelling of 4027240 in words is "four million, twenty-seven thousand, two hundred forty".