628024441 has 4 divisors (see below), whose sum is σ = 685117584. Its totient is φ = 570931300.

The previous prime is 628024403. The next prime is 628024447. The reversal of 628024441 is 144420826.

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 628024441 - 2¹¹ = 628022393 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628024447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28546555 + ... + 28546576.

It is an arithmetic number, because the mean of its divisors is an integer number (171279396).

Almost surely, 2^628024441 is an apocalyptic number.

It is an amenable number.

628024441 is a deficient number, since it is larger than the sum of its proper divisors (57093143).

628024441 is a wasteful number, since it uses less digits than its factorization.

628024441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57093142.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 628024441 is about 25060.4158185773. The cubic root of 628024441 is about 856.3648804179.

The spelling of 628024441 in words is "six hundred twenty-eight million, twenty-four thousand, four hundred forty-one".