5438646 has 24 divisors (see below), whose sum is σ = 11948040. Its totient is φ = 1787616.

The previous prime is 5438639. The next prime is 5438651. The reversal of 5438646 is 6468345.

5438646 is a `hidden beast` number, since 5 + 4 + 3 + 8 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5438646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (497835).

Almost surely, 2^5438646 is an apocalyptic number.

5438646 is an abundant number, since it is smaller than the sum of its proper divisors (6509394).

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

5438646 is a wasteful number, since it uses less digits than its factorization.

5438646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4217 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 5438646 is about 2332.0904785192. The cubic root of 5438646 is about 175.8585942359.

It can be divided in two parts, 5438 and 646, that added together give a square (6084 = 78²).

The spelling of 5438646 in words is "five million, four hundred thirty-eight thousand, six hundred forty-six".