5629821 has 4 divisors (see below), whose sum is σ = 7506432. Its totient is φ = 3753212.

The previous prime is 5629787. The next prime is 5629823. The reversal of 5629821 is 1289265.

5629821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 5629821 - 2¹⁰ = 5628797 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5629823) 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, 938301 + ... + 938306.

It is an arithmetic number, because the mean of its divisors is an integer number (1876608).

Almost surely, 2^5629821 is an apocalyptic number.

It is an amenable number.

5629821 is a deficient number, since it is larger than the sum of its proper divisors (1876611).

5629821 is a wasteful number, since it uses less digits than its factorization.

5629821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876610.

The product of its digits is 8640, while the sum is 33.

The square root of 5629821 is about 2372.7243834883. The cubic root of 5629821 is about 177.8954589609.

The spelling of 5629821 in words is "five million, six hundred twenty-nine thousand, eight hundred twenty-one".