5858921 has 4 divisors (see below), whose sum is σ = 5865600. Its totient is φ = 5852244.

The previous prime is 5858911. The next prime is 5858927. The reversal of 5858921 is 1298585.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1298585 = 5 ⋅259717.

It is a cyclic number.

It is not a de Polignac number, because 5858921 - 2⁶ = 5858857 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5858927) 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, 1781 + ... + 3858.

It is an arithmetic number, because the mean of its divisors is an integer number (1466400).

Almost surely, 2^5858921 is an apocalyptic number.

It is an amenable number.

5858921 is a deficient number, since it is larger than the sum of its proper divisors (6679).

5858921 is a wasteful number, since it uses less digits than its factorization.

5858921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678.

The product of its digits is 28800, while the sum is 38.

The square root of 5858921 is about 2420.5208117263. The cubic root of 5858921 is about 180.2765399455.

The spelling of 5858921 in words is "five million, eight hundred fifty-eight thousand, nine hundred twenty-one".