5437644 has 12 divisors (see below), whose sum is σ = 12687864. Its totient is φ = 1812544.

The previous prime is 5437643. The next prime is 5437699. The reversal of 5437644 is 4467345.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5437643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226557 + ... + 226580.

It is an arithmetic number, because the mean of its divisors is an integer number (1057322).

Almost surely, 2^5437644 is an apocalyptic number.

It is an amenable number.

5437644 is an abundant number, since it is smaller than the sum of its proper divisors (7250220).

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

5437644 is a wasteful number, since it uses less digits than its factorization.

5437644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453144 (or 453142 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 5437644 is about 2331.8756399088. The cubic root of 5437644 is about 175.8477936841.

Subtracting from 5437644 its reverse (4467345), we obtain a cube (970299 = 99³).

The spelling of 5437644 in words is "five million, four hundred thirty-seven thousand, six hundred forty-four".