30087306 has 12 divisors (see below), whose sum is σ = 65189202. Its totient is φ = 10029096.

The previous prime is 30087301. The next prime is 30087307. The reversal of 30087306 is 60378003.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21706281 + 8381025 = 4659^2 + 2895^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30087306.

It is not an unprimeable number, because it can be changed into a prime (30087301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 835741 + ... + 835776.

Almost surely, 2^30087306 is an apocalyptic number.

30087306 is an abundant number, since it is smaller than the sum of its proper divisors (35101896).

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

30087306 is a wasteful number, since it uses less digits than its factorization.

30087306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671525 (or 1671522 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30087306 is about 5485.1896958993. The cubic root of 30087306 is about 311.0243809355.

The spelling of 30087306 in words is "thirty million, eighty-seven thousand, three hundred six".