2086678 has 8 divisors (see below), whose sum is σ = 3414600. Its totient is φ = 948480.

The previous prime is 2086673. The next prime is 2086681. The reversal of 2086678 is 8766802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47403 + ... + 47446.

It is an arithmetic number, because the mean of its divisors is an integer number (426825).

2^2086678 is an apocalyptic number.

2086678 is a deficient number, since it is larger than the sum of its proper divisors (1327922).

2086678 is a wasteful number, since it uses less digits than its factorization.

2086678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94862.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2086678 is about 1444.5338348408. The cubic root of 2086678 is about 127.7865501784.

It can be divided in two parts, 208 and 6678, that added together give a palindrome (6886).

The spelling of 2086678 in words is "two million, eighty-six thousand, six hundred seventy-eight".