4180988 has 48 divisors (see below), whose sum is σ = 9139200. Its totient is φ = 1632960.

The previous prime is 4180987. The next prime is 4181041. The reversal of 4180988 is 8890814.

It is a super-2 number, since 2×4180988² = 34961321312288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15293 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (190400).

Almost surely, 2^4180988 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 4180988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4569600).

4180988 is an abundant number, since it is smaller than the sum of its proper divisors (4958212).

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

4180988 is a wasteful number, since it uses less digits than its factorization.

4180988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 4180988 is about 2044.7464390481. The cubic root of 4180988 is about 161.0990478835.

The spelling of 4180988 in words is "four million, one hundred eighty thousand, nine hundred eighty-eight".