5408391 has 4 divisors (see below), whose sum is σ = 7211192. Its totient is φ = 3605592.

The previous prime is 5408387. The next prime is 5408393. The reversal of 5408391 is 1938045.

5408391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5408391 - 2² = 5408387 is a prime.

It is a D-number.

It is a Duffinian number.

5408391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408393) 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, 901396 + ... + 901401.

It is an arithmetic number, because the mean of its divisors is an integer number (1802798).

Almost surely, 2^5408391 is an apocalyptic number.

5408391 is a deficient number, since it is larger than the sum of its proper divisors (1802801).

5408391 is a wasteful number, since it uses less digits than its factorization.

5408391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802800.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 5408391 is about 2325.5947626360. The cubic root of 5408391 is about 175.5318892385.

The spelling of 5408391 in words is "five million, four hundred eight thousand, three hundred ninety-one".