630893 has 2 divisors, whose sum is σ = 630894. Its totient is φ = 630892.

The previous prime is 630871. The next prime is 630899. The reversal of 630893 is 398036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 131044 = 707^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 630893 - 2¹² = 626797 is a prime.

It is a super-3 number, since 3×630893³ = 753335408972195871, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630893.

It is not a weakly prime, because it can be changed into another prime (630899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315446 + 315447.

It is an arithmetic number, because the mean of its divisors is an integer number (315447).

2⁶³⁰⁸⁹³ is an apocalyptic number.

It is an amenable number.

630893 is a deficient number, since it is larger than the sum of its proper divisors (1).

630893 is an equidigital number, since it uses as much as digits as its factorization.

630893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 630893 is about 794.2877312410. The cubic root of 630893 is about 85.7666741906.

The spelling of 630893 in words is "six hundred thirty thousand, eight hundred ninety-three".