5392821 has 8 divisors (see below), whose sum is σ = 8217664. Its totient is φ = 3081600.

The previous prime is 5392819. The next prime is 5392823. The reversal of 5392821 is 1282935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5392819) and next prime (5392823).

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

It is not a de Polignac number, because 5392821 - 2¹ = 5392819 is a prime.

5392821 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5392823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128380 + ... + 128421.

It is an arithmetic number, because the mean of its divisors is an integer number (1027208).

Almost surely, 2^5392821 is an apocalyptic number.

It is an amenable number.

5392821 is a deficient number, since it is larger than the sum of its proper divisors (2824843).

5392821 is a wasteful number, since it uses less digits than its factorization.

5392821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256811.

The product of its digits is 4320, while the sum is 30.

The square root of 5392821 is about 2322.2448191351. The cubic root of 5392821 is about 175.3632834314.

The spelling of 5392821 in words is "five million, three hundred ninety-two thousand, eight hundred twenty-one".