630603436 has 12 divisors (see below), whose sum is σ = 1106684712. Its totient is φ = 314407808.

The previous prime is 630603433. The next prime is 630603451. The reversal of 630603436 is 634306036.

It is a junction number, because it is equal to n+sod(n) for n = 630603398 and 630603407.

It is not an unprimeable number, because it can be changed into a prime (630603431) 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, 221890 + ... + 224713.

It is an arithmetic number, because the mean of its divisors is an integer number (92223726).

Almost surely, 2^630603436 is an apocalyptic number.

It is an amenable number.

630603436 is a deficient number, since it is larger than the sum of its proper divisors (476081276).

630603436 is a wasteful number, since it uses less digits than its factorization.

630603436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446960 (or 446958 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 630603436 is about 25111.8186517823. The cubic root of 630603436 is about 857.5355060139.

The spelling of 630603436 in words is "six hundred thirty million, six hundred three thousand, four hundred thirty-six".