415812 has 12 divisors (see below), whose sum is σ = 970256. Its totient is φ = 138600.

The previous prime is 415801. The next prime is 415819. The reversal of 415812 is 218514.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (415819) by changing a digit.

415812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17314 + ... + 17337.

2⁴¹⁵⁸¹² is an apocalyptic number.

It is an amenable number.

415812 is an abundant number, since it is smaller than the sum of its proper divisors (554444).

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

415812 is a wasteful number, since it uses less digits than its factorization.

415812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34658 (or 34656 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 415812 is about 644.8348625811. The cubic root of 415812 is about 74.6389760557.

The spelling of 415812 in words is "four hundred fifteen thousand, eight hundred twelve".