630828036 has 36 divisors (see below), whose sum is σ = 1595493900. Its totient is φ = 210157248.

The previous prime is 630828007. The next prime is 630828047.

630828036 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 220522500 + 410305536 = 14850^2 + 20256^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×630828036² = 795888022007234592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79330 + ... + 86918.

It is an arithmetic number, because the mean of its divisors is an integer number (44319275).

Almost surely, 2^630828036 is an apocalyptic number.

It is an amenable number.

630828036 is an abundant number, since it is smaller than the sum of its proper divisors (964665864).

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

630828036 is a wasteful number, since it uses less digits than its factorization.

630828036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 630828036 is about 25116.2902515479. The cubic root of 630828036 is about 857.6373024848.

The spelling of 630828036 in words is "six hundred thirty million, eight hundred twenty-eight thousand, thirty-six".