5629421 has 4 divisors (see below), whose sum is σ = 6433632. Its totient is φ = 4825212.

The previous prime is 5629417. The next prime is 5629441. The reversal of 5629421 is 1249265.

It is a happy number.

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: 1249265 = 5 ⋅249853.

It is not a de Polignac number, because 5629421 - 2² = 5629417 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 (5629441) 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, 402095 + ... + 402108.

It is an arithmetic number, because the mean of its divisors is an integer number (1608408).

Almost surely, 2^5629421 is an apocalyptic number.

It is an amenable number.

5629421 is a deficient number, since it is larger than the sum of its proper divisors (804211).

5629421 is an equidigital number, since it uses as much as digits as its factorization.

5629421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804210.

The product of its digits is 4320, while the sum is 29.

The square root of 5629421 is about 2372.6400907007. The cubic root of 5629421 is about 177.8912456908.

The spelling of 5629421 in words is "five million, six hundred twenty-nine thousand, four hundred twenty-one".