5405391 has 12 divisors (see below), whose sum is σ = 8147568. Its totient is φ = 3446784.

The previous prime is 5405381. The next prime is 5405447. The reversal of 5405391 is 1935045.

It is not a de Polignac number, because 5405391 - 2⁶ = 5405327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12850 + ... + 13263.

It is an arithmetic number, because the mean of its divisors is an integer number (678964).

Almost surely, 2^5405391 is an apocalyptic number.

5405391 is a deficient number, since it is larger than the sum of its proper divisors (2742177).

5405391 is a wasteful number, since it uses less digits than its factorization.

5405391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26142 (or 26139 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5405391 is about 2324.9496768747. The cubic root of 5405391 is about 175.4994277625.

The spelling of 5405391 in words is "five million, four hundred five thousand, three hundred ninety-one".