2989678 has 16 divisors (see below), whose sum is σ = 4732416. Its totient is φ = 1413720.

The previous prime is 2989673. The next prime is 2989691. The reversal of 2989678 is 8769892.

It is a happy number.

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 (2989673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423 + ... + 5053.

It is an arithmetic number, because the mean of its divisors is an integer number (295776).

2^2989678 is an apocalyptic number.

2989678 is a deficient number, since it is larger than the sum of its proper divisors (1742738).

2989678 is a wasteful number, since it uses less digits than its factorization.

2989678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its digits is 435456, while the sum is 49.

The square root of 2989678 is about 1729.0685353681. The cubic root of 2989678 is about 144.0593569597.

The spelling of 2989678 in words is "two million, nine hundred eighty-nine thousand, six hundred seventy-eight".