2985678 has 24 divisors (see below), whose sum is σ = 6645288. Its totient is φ = 968112.

The previous prime is 2985677. The next prime is 2985691. The reversal of 2985678 is 8765892.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985673) 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 11 ways as a sum of consecutive naturals, for example, 1576 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (276887).

2^2985678 is an apocalyptic number.

2985678 is an abundant number, since it is smaller than the sum of its proper divisors (3659610).

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

2985678 is a wasteful number, since it uses less digits than its factorization.

2985678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4525 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2985678 is about 1727.9114560648. The cubic root of 2985678 is about 143.9950808505.

It can be divided in two parts, 2985 and 678, that added together give a palindrome (3663).

The spelling of 2985678 in words is "two million, nine hundred eighty-five thousand, six hundred seventy-eight".