5847421 has 4 divisors (see below), whose sum is σ = 6155200. Its totient is φ = 5539644.

The previous prime is 5847419. The next prime is 5847427. The reversal of 5847421 is 1247485.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1247485 = 5 ⋅249497.

It is a cyclic number.

It is not a de Polignac number, because 5847421 - 2¹ = 5847419 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 (5847427) 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, 153861 + ... + 153898.

It is an arithmetic number, because the mean of its divisors is an integer number (1538800).

Almost surely, 2^5847421 is an apocalyptic number.

It is an amenable number.

5847421 is a deficient number, since it is larger than the sum of its proper divisors (307779).

5847421 is a wasteful number, since it uses less digits than its factorization.

5847421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307778.

The product of its digits is 8960, while the sum is 31.

The square root of 5847421 is about 2418.1441230828. The cubic root of 5847421 is about 180.1585126321.

The spelling of 5847421 in words is "five million, eight hundred forty-seven thousand, four hundred twenty-one".