306246 has 16 divisors (see below), whose sum is σ = 627264. Its totient is φ = 99624.

The previous prime is 306239. The next prime is 306247. The reversal of 306246 is 642603.

It is a super-2 number, since 2×306246² = 187573225032, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306246.

It is not an unprimeable number, because it can be changed into a prime (306247) by changing a digit.

306246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (39204).

2³⁰⁶²⁴⁶ is an apocalyptic number.

306246 is an abundant number, since it is smaller than the sum of its proper divisors (321018).

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

306246 is a wasteful number, since it uses less digits than its factorization.

306246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 306246 is about 553.3949764861. The cubic root of 306246 is about 67.4046940292.

Adding to 306246 its reverse (642603), we get a palindrome (948849).

The spelling of 306246 in words is "three hundred six thousand, two hundred forty-six".