4020588 has 108 divisors (see below), whose sum is σ = 12199824. Its totient is φ = 1108800.

The previous prime is 4020587. The next prime is 4020593. The reversal of 4020588 is 8850204.

It is not an unprimeable number, because it can be changed into a prime (4020587) 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 35 ways as a sum of consecutive naturals, for example, 56593 + ... + 56663.

Almost surely, 2^4020588 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 4020588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6099912).

4020588 is an abundant number, since it is smaller than the sum of its proper divisors (8179236).

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

4020588 is a wasteful number, since it uses less digits than its factorization.

4020588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 4020588 is about 2005.1403940872. The cubic root of 4020588 is about 159.0119843821.

The spelling of 4020588 in words is "four million, twenty thousand, five hundred eighty-eight".