5491405 has 8 divisors (see below), whose sum is σ = 6624000. Its totient is φ = 4370256.

The previous prime is 5491393. The next prime is 5491439. The reversal of 5491405 is 5041945.

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 5491405 - 2⁵ = 5491373 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 3754.

It is an arithmetic number, because the mean of its divisors is an integer number (828000).

Almost surely, 2^5491405 is an apocalyptic number.

It is an amenable number.

5491405 is a deficient number, since it is larger than the sum of its proper divisors (1132595).

5491405 is a wasteful number, since it uses less digits than its factorization.

5491405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5491405 is about 2343.3747032858. The cubic root of 5491405 is about 176.4254193002.

The spelling of 5491405 in words is "five million, four hundred ninety-one thousand, four hundred five".