5487444 has 18 divisors (see below), whose sum is σ = 13871130. Its totient is φ = 1829136.

The previous prime is 5487407. The next prime is 5487451. The reversal of 5487444 is 4447845.

5487444 is a `hidden beast` number, since 548 + 74 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 1077444 = 2100^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5487444² = 60224083306272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 152429 = 5487444 / (5 + 4 + 8 + 7 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 5487399 and 5487408.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 76179 + ... + 76250.

Almost surely, 2^5487444 is an apocalyptic number.

It is an amenable number.

5487444 is an abundant number, since it is smaller than the sum of its proper divisors (8383686).

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

5487444 is a wasteful number, since it uses less digits than its factorization.

5487444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152439 (or 152434 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 5487444 is about 2342.5294021634. The cubic root of 5487444 is about 176.3829900145.

The spelling of 5487444 in words is "five million, four hundred eighty-seven thousand, four hundred forty-four".