630212306 has 16 divisors (see below), whose sum is σ = 950781888. Its totient is φ = 313290000.

The previous prime is 630212269. The next prime is 630212327. The reversal of 630212306 is 603212036.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533036 + ... + 534216.

It is an arithmetic number, because the mean of its divisors is an integer number (59423868).

Almost surely, 2^630212306 is an apocalyptic number.

630212306 is a deficient number, since it is larger than the sum of its proper divisors (320569582).

630212306 is a wasteful number, since it uses less digits than its factorization.

630212306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 630212306 is about 25104.0296765280. The cubic root of 630212306 is about 857.3581746873.

The spelling of 630212306 in words is "six hundred thirty million, two hundred twelve thousand, three hundred six".