5284640 has 24 divisors (see below), whose sum is σ = 12485340. Its totient is φ = 2113792.

The previous prime is 5284639. The next prime is 5284649. The reversal of 5284640 is 464825.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 1008016 = 2068^2 + 1004^2 .

It is not an unprimeable number, because it can be changed into a prime (5284649) 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 in 3 ways as a sum of consecutive naturals, for example, 16355 + ... + 16674.

Almost surely, 2^5284640 is an apocalyptic number.

It is an amenable number.

5284640 is an abundant number, since it is smaller than the sum of its proper divisors (7200700).

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

5284640 is a wasteful number, since it uses less digits than its factorization.

5284640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33044 (or 33036 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 5284640 is about 2298.8344873000. The cubic root of 5284640 is about 174.1827471805.

The spelling of 5284640 in words is "five million, two hundred eighty-four thousand, six hundred forty".