5306640 has 40 divisors (see below), whose sum is σ = 16451328. Its totient is φ = 1415040.

The previous prime is 5306627. The next prime is 5306647. The reversal of 5306640 is 466035.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5306640.

It is not an unprimeable number, because it can be changed into a prime (5306647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10816 + ... + 11295.

Almost surely, 2^5306640 is an apocalyptic number.

It is an amenable number.

5306640 is an abundant number, since it is smaller than the sum of its proper divisors (11144688).

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

5306640 is a wasteful number, since it uses less digits than its factorization.

5306640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22127 (or 22121 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 5306640 is about 2303.6145510914. The cubic root of 5306640 is about 174.4241206152.

The spelling of 5306640 in words is "five million, three hundred six thousand, six hundred forty".