2986689 has 8 divisors (see below), whose sum is σ = 3990240. Its totient is φ = 1987136.

The previous prime is 2986673. The next prime is 2986699. The reversal of 2986689 is 9866892.

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

It is a cyclic number.

It is not a de Polignac number, because 2986689 - 2⁴ = 2986673 is a prime.

It is a super-2 number, since 2×2986689² = 17840622365442, which contains 22 as substring.

2986689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2986609) 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, 2422 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (498780).

2^2986689 is an apocalyptic number.

It is an amenable number.

2986689 is a deficient number, since it is larger than the sum of its proper divisors (1003551).

2986689 is a wasteful number, since it uses less digits than its factorization.

2986689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its digits is 373248, while the sum is 48.

The square root of 2986689 is about 1728.2039810161. The cubic root of 2986689 is about 144.0113320557.

The spelling of 2986689 in words is "two million, nine hundred eighty-six thousand, six hundred eighty-nine".