4027788 has 36 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 1316640.

The previous prime is 4027787. The next prime is 4027789. The reversal of 4027788 is 8877204.

It is an interprime number because it is at equal distance from previous prime (4027787) and next prime (4027789).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4027787) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 853 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^4027788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4027788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5189184).

4027788 is an abundant number, since it is smaller than the sum of its proper divisors (6350580).

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

4027788 is a wasteful number, since it uses less digits than its factorization.

4027788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 4027788 is about 2006.9349765251. The cubic root of 4027788 is about 159.1068464232.

The spelling of 4027788 in words is "four million, twenty-seven thousand, seven hundred eighty-eight".