4187980 has 48 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 1556928.

The previous prime is 4187971. The next prime is 4187983. The reversal of 4187980 is 897814.

It is not an unprimeable number, because it can be changed into a prime (4187983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39087 + ... + 39193.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^4187980 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 4187980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717440).

4187980 is an abundant number, since it is smaller than the sum of its proper divisors (5246900).

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

4187980 is a wasteful number, since it uses less digits than its factorization.

4187980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 4187980 is about 2046.4554722740. The cubic root of 4187980 is about 161.1888015668.

The spelling of 4187980 in words is "four million, one hundred eighty-seven thousand, nine hundred eighty".