4155588 has 36 divisors (see below), whose sum is σ = 10630620. Its totient is φ = 1368576.

The previous prime is 4155583. The next prime is 4155589. The reversal of 4155588 is 8855514.

It can be written as a sum of positive squares in 2 ways, for example, as 2883204 + 1272384 = 1698^2 + 1128^2 .

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 (4155583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2556 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (295295).

Almost surely, 2^4155588 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 4155588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5315310).

4155588 is an abundant number, since it is smaller than the sum of its proper divisors (6475032).

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

4155588 is a wasteful number, since it uses less digits than its factorization.

4155588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1391 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 4155588 is about 2038.5259380248. The cubic root of 4155588 is about 160.7721530452.

The spelling of 4155588 in words is "four million, one hundred fifty-five thousand, five hundred eighty-eight".