5447391 has 8 divisors (see below), whose sum is σ = 7327920. Its totient is φ = 3599232.

The previous prime is 5447353. The next prime is 5447401. The reversal of 5447391 is 1937445.

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

It is not a de Polignac number, because 5447391 - 2⁹ = 5446879 is a prime.

5447391 is a lucky number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5447311) 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, 7696 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (915990).

Almost surely, 2^5447391 is an apocalyptic number.

5447391 is a deficient number, since it is larger than the sum of its proper divisors (1880529).

5447391 is a wasteful number, since it uses less digits than its factorization.

5447391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185.

The product of its digits is 15120, while the sum is 33.

The square root of 5447391 is about 2333.9646526886. The cubic root of 5447391 is about 175.9528002735.

The spelling of 5447391 in words is "five million, four hundred forty-seven thousand, three hundred ninety-one".