630404036 has 6 divisors (see below), whose sum is σ = 1103207070. Its totient is φ = 315202016.

The previous prime is 630404017. The next prime is 630404051.

630404036 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 407797636 + 222606400 = 20194^2 + 14920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 630403996 and 630404014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78800501 + ... + 78800508.

It is an arithmetic number, because the mean of its divisors is an integer number (183867845).

Almost surely, 2^630404036 is an apocalyptic number.

It is an amenable number.

630404036 is a deficient number, since it is larger than the sum of its proper divisors (472803034).

630404036 is a wasteful number, since it uses less digits than its factorization.

630404036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157601013 (or 157601011 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 630404036 is about 25107.8480957648. The cubic root of 630404036 is about 857.4451107955.

It can be divided in two parts, 63040 and 4036, that added together give a palindrome (67076).

The spelling of 630404036 in words is "six hundred thirty million, four hundred four thousand, thirty-six".