5385821 has 8 divisors (see below), whose sum is σ = 6517440. Its totient is φ = 4344768.

The previous prime is 5385817. The next prime is 5385823. The reversal of 5385821 is 1285835.

It is a happy number.

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 5385821 - 2² = 5385817 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 (5385823) 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, 22511 + ... + 22748.

It is an arithmetic number, because the mean of its divisors is an integer number (814680).

Almost surely, 2^5385821 is an apocalyptic number.

It is an amenable number.

5385821 is a deficient number, since it is larger than the sum of its proper divisors (1131619).

5385821 is a wasteful number, since it uses less digits than its factorization.

5385821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45283.

The product of its digits is 9600, while the sum is 32.

The square root of 5385821 is about 2320.7371673673. The cubic root of 5385821 is about 175.2873754485.

The spelling of 5385821 in words is "five million, three hundred eighty-five thousand, eight hundred twenty-one".