306213036 has 48 divisors (see below), whose sum is σ = 735947520. Its totient is φ = 99023040.

The previous prime is 306213031. The next prime is 306213077. The reversal of 306213036 is 630312603.

It is a junction number, because it is equal to n+sod(n) for n = 306212997 and 306213015.

It is not an unprimeable number, because it can be changed into a prime (306213031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194131 + ... + 195701.

It is an arithmetic number, because the mean of its divisors is an integer number (15332240).

Almost surely, 2^306213036 is an apocalyptic number.

It is an amenable number.

306213036 is an abundant number, since it is smaller than the sum of its proper divisors (429734484).

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

306213036 is a wasteful number, since it uses less digits than its factorization.

306213036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 306213036 is about 17498.9438538444. The cubic root of 306213036 is about 674.0227548546.

Adding to 306213036 its reverse (630312603), we get a palindrome (936525639).

The spelling of 306213036 in words is "three hundred six million, two hundred thirteen thousand, thirty-six".