630103028 has 12 divisors (see below), whose sum is σ = 1167543972. Its totient is φ = 296519040.

The previous prime is 630103021. The next prime is 630103031. The reversal of 630103028 is 820301036.

It can be written as a sum of positive squares in 2 ways, for example, as 532132624 + 97970404 = 23068^2 + 9898^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630102994 and 630103012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630103021) 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, 4633043 + ... + 4633178.

It is an arithmetic number, because the mean of its divisors is an integer number (97295331).

Almost surely, 2^630103028 is an apocalyptic number.

630103028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

630103028 is a deficient number, since it is larger than the sum of its proper divisors (537440944).

630103028 is a wasteful number, since it uses less digits than its factorization.

630103028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266242 (or 9266240 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 630103028 is about 25101.8530790059. The cubic root of 630103028 is about 857.3086168893.

The spelling of 630103028 in words is "six hundred thirty million, one hundred three thousand, twenty-eight".