630893146 has 8 divisors (see below), whose sum is σ = 1019135124. Its totient is φ = 291181440.

The previous prime is 630893099. The next prime is 630893147. The reversal of 630893146 is 641398036.

630893146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 620259025 + 10634121 = 24905^2 + 3261^2 .

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

It is a super-3 number, since 3×630893146³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630893099 and 630893108.

It is not an unprimeable number, because it can be changed into a prime (630893147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12132535 + ... + 12132586.

Almost surely, 2^630893146 is an apocalyptic number.

630893146 is a deficient number, since it is larger than the sum of its proper divisors (388241978).

630893146 is a wasteful number, since it uses less digits than its factorization.

630893146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265136.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 630893146 is about 25117.5863888233. The cubic root of 630893146 is about 857.6668080661. Note that the first 3 decimals are identical.

The spelling of 630893146 in words is "six hundred thirty million, eight hundred ninety-three thousand, one hundred forty-six".