630230800 has 60 divisors (see below), whose sum is σ = 1603213236. Its totient is φ = 237260800.

The previous prime is 630230767. The next prime is 630230801. The reversal of 630230800 is 8032036.

It can be written as a sum of positive squares in 6 ways, for example, as 14992384 + 615238416 = 3872^2 + 24804^2 .

It is a super-2 number, since 2×630230800² = 794381722537280000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630230801) 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 11 ways as a sum of consecutive naturals, for example, 39541 + ... + 53140.

Almost surely, 2^630230800 is an apocalyptic number.

It is an amenable number.

630230800 is an abundant number, since it is smaller than the sum of its proper divisors (972982436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630230800 is a wasteful number, since it uses less digits than its factorization.

630230800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92716 (or 92705 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 630230800 is about 25104.3980210640. The cubic root of 630230800 is about 857.3665611876.

Adding to 630230800 its reverse (8032036), we get a palindrome (638262836).

The spelling of 630230800 in words is "six hundred thirty million, two hundred thirty thousand, eight hundred".