301812 has 24 divisors (see below), whose sum is σ = 805056. Its totient is φ = 86208.

The previous prime is 301793. The next prime is 301813. The reversal of 301812 is 218103.

It is a happy number.

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 = 301791 and 301800.

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 301812.

It is not an unprimeable number, because it can be changed into a prime (301813) by changing a digit.

301812 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, 1713 + ... + 1880.

It is an arithmetic number, because the mean of its divisors is an integer number (33544).

2³⁰¹⁸¹² is an apocalyptic number.

It is an amenable number.

301812 is an abundant number, since it is smaller than the sum of its proper divisors (503244).

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

301812 is a wasteful number, since it uses less digits than its factorization.

301812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 301812 is about 549.3741894192. The cubic root of 301812 is about 67.0778037270.

Adding to 301812 its reverse (218103), we get a palindrome (519915).

The spelling of 301812 in words is "three hundred one thousand, eight hundred twelve".