2986881 has 8 divisors (see below), whose sum is σ = 4111104. Its totient is φ = 1926960.

The previous prime is 2986871. The next prime is 2986889. The reversal of 2986881 is 1886892.

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

It is not a de Polignac number, because 2986881 - 2⁶ = 2986817 is a prime.

It is a super-2 number, since 2×2986881² = 17842916216322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2986889) 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, 15966 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (513888).

2^2986881 is an apocalyptic number.

It is an amenable number.

2986881 is a deficient number, since it is larger than the sum of its proper divisors (1124223).

2986881 is a wasteful number, since it uses less digits than its factorization.

2986881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32151.

The product of its digits is 55296, while the sum is 42.

The square root of 2986881 is about 1728.2595291217. The cubic root of 2986881 is about 144.0144179236.

The spelling of 2986881 in words is "two million, nine hundred eighty-six thousand, eight hundred eighty-one".