2078786 has 8 divisors (see below), whose sum is σ = 3253824. Its totient is φ = 994180.

The previous prime is 2078779. The next prime is 2078789. The reversal of 2078786 is 6878702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2078786³ = 26949493337693554968, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2078789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22550 + ... + 22641.

It is an arithmetic number, because the mean of its divisors is an integer number (406728).

2^2078786 is an apocalyptic number.

2078786 is a deficient number, since it is larger than the sum of its proper divisors (1175038).

2078786 is a wasteful number, since it uses less digits than its factorization.

2078786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45216.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 2078786 is about 1441.7995699819. The cubic root of 2078786 is about 127.6252466562.

The spelling of 2078786 in words is "two million, seventy-eight thousand, seven hundred eighty-six".