2006630306 has 4 divisors (see below), whose sum is σ = 3009945462. Its totient is φ = 1003315152.

The previous prime is 2006630243. The next prime is 2006630333. The reversal of 2006630306 is 6030366002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1045940281 + 960690025 = 32341^2 + 30995^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501657575 + ... + 501657578.

Almost surely, 2^2006630306 is an apocalyptic number.

2006630306 is a deficient number, since it is larger than the sum of its proper divisors (1003315156).

2006630306 is a wasteful number, since it uses less digits than its factorization.

2006630306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003315155.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2006630306 is about 44795.4272889544. The cubic root of 2006630306 is about 1261.3117912012.

Adding to 2006630306 its reverse (6030366002), we get a palindrome (8036996308).

The spelling of 2006630306 in words is "two billion, six million, six hundred thirty thousand, three hundred six".