5438406 has 16 divisors (see below), whose sum is σ = 10924848. Its totient is φ = 1804800.

The previous prime is 5438401. The next prime is 5438429. The reversal of 5438406 is 6048345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438401) 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, 435 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (682803).

Almost surely, 2^5438406 is an apocalyptic number.

5438406 is an abundant number, since it is smaller than the sum of its proper divisors (5486442).

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

5438406 is a wasteful number, since it uses less digits than its factorization.

5438406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5438406 is about 2332.0390219720. The cubic root of 5438406 is about 175.8560073982.

The spelling of 5438406 in words is "five million, four hundred thirty-eight thousand, four hundred six".