5438405 has 8 divisors (see below), whose sum is σ = 7458432. Its totient is φ = 3729168.

The previous prime is 5438401. The next prime is 5438429. The reversal of 5438405 is 5048345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5438405 - 2² = 5438401 is a prime.

It is a Duffinian number.

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, 77657 + ... + 77726.

It is an arithmetic number, because the mean of its divisors is an integer number (932304).

Almost surely, 2^5438405 is an apocalyptic number.

It is an amenable number.

5438405 is a deficient number, since it is larger than the sum of its proper divisors (2020027).

5438405 is a wasteful number, since it uses less digits than its factorization.

5438405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155395.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 5438405 is about 2332.0388075673. The cubic root of 5438405 is about 175.8559966196.

The spelling of 5438405 in words is "five million, four hundred thirty-eight thousand, four hundred five".