303612 has 12 divisors (see below), whose sum is σ = 708456. Its totient is φ = 101200.

The previous prime is 303593. The next prime is 303613. The reversal of 303612 is 216303.

303612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 303591 and 303600.

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 303612.

It is not an unprimeable number, because it can be changed into a prime (303613) by changing a digit.

303612 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 3 ways as a sum of consecutive naturals, for example, 12639 + ... + 12662.

It is an arithmetic number, because the mean of its divisors is an integer number (59038).

2³⁰³⁶¹² is an apocalyptic number.

It is an amenable number.

303612 is an abundant number, since it is smaller than the sum of its proper divisors (404844).

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

303612 is a wasteful number, since it uses less digits than its factorization.

303612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25308 (or 25306 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 303612 is about 551.0099817608. The cubic root of 303612 is about 67.2108896752.

Adding to 303612 its reverse (216303), we get a palindrome (519915).

The spelling of 303612 in words is "three hundred three thousand, six hundred twelve".