5621930 has 8 divisors (see below), whose sum is σ = 10119492. Its totient is φ = 2248768.

The previous prime is 5621927. The next prime is 5621939. The reversal of 5621930 is 391265.

It can be written as a sum of positive squares in 2 ways, for example, as 5621641 + 289 = 2371^2 + 17^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5621930.

It is not an unprimeable number, because it can be changed into a prime (5621939) 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 3 ways as a sum of consecutive naturals, for example, 281087 + ... + 281106.

Almost surely, 2^5621930 is an apocalyptic number.

5621930 is a deficient number, since it is larger than the sum of its proper divisors (4497562).

5621930 is a wasteful number, since it uses less digits than its factorization.

5621930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562200.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 5621930 is about 2371.0609439658. The cubic root of 5621930 is about 177.8123047812.

The spelling of 5621930 in words is "five million, six hundred twenty-one thousand, nine hundred thirty".