1487872 has 22 divisors (see below), whose sum is σ = 2976338. Its totient is φ = 743424.

The previous prime is 1487867. The next prime is 1487873. The reversal of 1487872 is 2787841.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 9216 = 1216^2 + 96^2 .

It is an Ulam number.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298 + ... + 1750.

2^1487872 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 1487872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488169).

1487872 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1487872 is an equidigital number, since it uses as much as digits as its factorization.

1487872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1455 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 1487872 is about 1219.7835873629. The cubic root of 1487872 is about 114.1620758154.

The spelling of 1487872 in words is "one million, four hundred eighty-seven thousand, eight hundred seventy-two".