2078312 has 16 divisors (see below), whose sum is σ = 3952800. Its totient is φ = 1024240.

The previous prime is 2078311. The next prime is 2078317. The reversal of 2078312 is 2138702.

It is not an unprimeable number, because it can be changed into a prime (2078311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (247050).

2^2078312 is an apocalyptic number.

It is an amenable number.

2078312 is a deficient number, since it is larger than the sum of its proper divisors (1874488).

2078312 is a wasteful number, since it uses less digits than its factorization.

2078312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2078312 is about 1441.6351827005. The cubic root of 2078312 is about 127.6155456471.

The spelling of 2078312 in words is "two million, seventy-eight thousand, three hundred twelve".